Grandstream Networks GXV-3000 manual

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Buen manual de instrucciones

Las leyes obligan al vendedor a entregarle al comprador, junto con el producto, el manual de instrucciones Grandstream Networks GXV-3000. La falta del manual o facilitar información incorrecta al consumidor constituyen una base de reclamación por no estar de acuerdo el producto con el contrato. Según la ley, está permitido adjuntar un manual de otra forma que no sea en papel, lo cual últimamente es bastante común y los fabricantes nos facilitan un manual gráfico, su versión electrónica Grandstream Networks GXV-3000 o vídeos de instrucciones para usuarios. La condición es que tenga una forma legible y entendible.

¿Qué es un manual de instrucciones?

El nombre proviene de la palabra latina “instructio”, es decir, ordenar. Por lo tanto, en un manual Grandstream Networks GXV-3000 se puede encontrar la descripción de las etapas de actuación. El propósito de un manual es enseñar, facilitar el encendido o el uso de un dispositivo o la realización de acciones concretas. Un manual de instrucciones también es una fuente de información acerca de un objeto o un servicio, es una pista.

Desafortunadamente pocos usuarios destinan su tiempo a leer manuales Grandstream Networks GXV-3000, sin embargo, un buen manual nos permite, no solo conocer una cantidad de funcionalidades adicionales del dispositivo comprado, sino también evitar la mayoría de fallos.

Entonces, ¿qué debe contener el manual de instrucciones perfecto?

Sobre todo, un manual de instrucciones Grandstream Networks GXV-3000 debe contener:
- información acerca de las especificaciones técnicas del dispositivo Grandstream Networks GXV-3000
- nombre de fabricante y año de fabricación del dispositivo Grandstream Networks GXV-3000
- condiciones de uso, configuración y mantenimiento del dispositivo Grandstream Networks GXV-3000
- marcas de seguridad y certificados que confirmen su concordancia con determinadas normativas

¿Por qué no leemos los manuales de instrucciones?

Normalmente es por la falta de tiempo y seguridad acerca de las funcionalidades determinadas de los dispositivos comprados. Desafortunadamente la conexión y el encendido de Grandstream Networks GXV-3000 no es suficiente. El manual de instrucciones siempre contiene una serie de indicaciones acerca de determinadas funcionalidades, normas de seguridad, consejos de mantenimiento (incluso qué productos usar), fallos eventuales de Grandstream Networks GXV-3000 y maneras de solucionar los problemas que puedan ocurrir durante su uso. Al final, en un manual se pueden encontrar los detalles de servicio técnico Grandstream Networks en caso de que las soluciones propuestas no hayan funcionado. Actualmente gozan de éxito manuales de instrucciones en forma de animaciones interesantes o vídeo manuales que llegan al usuario mucho mejor que en forma de un folleto. Este tipo de manual ayuda a que el usuario vea el vídeo entero sin saltarse las especificaciones y las descripciones técnicas complicadas de Grandstream Networks GXV-3000, como se suele hacer teniendo una versión en papel.

¿Por qué vale la pena leer los manuales de instrucciones?

Sobre todo es en ellos donde encontraremos las respuestas acerca de la construcción, las posibilidades del dispositivo Grandstream Networks GXV-3000, el uso de determinados accesorios y una serie de informaciones que permiten aprovechar completamente sus funciones y comodidades.

Tras una compra exitosa de un equipo o un dispositivo, vale la pena dedicar un momento para familiarizarse con cada parte del manual Grandstream Networks GXV-3000. Actualmente se preparan y traducen con dedicación, para que no solo sean comprensibles para los usuarios, sino que también cumplan su función básica de información y ayuda.

Índice de manuales de instrucciones

  • Página 1

    GXV-3000 User Manual Grandstream Networks, Inc. - 1 - User Manual GXV-3000 Innovative IP Video Phone For Firmware Version 1.0.0.33 Grandstream Networks, Inc. www.grandstream.com[...]

  • Página 2

    GXV-3000 User Manual Grandstream Networks, Inc. - 2 - Table of Contents 1 WELCOME - 4 - 2 INSTALLATION - 5 - 2.1 W HAT IS I NCLUDED IN THE P ACKAGE - 5 - 2.2 C ONNECTING Y OUR P HONE - 5 - 2.3 W ALL M OUNT - 6 - 2.4 S AFETY C OMPLIANCES - 7 - 2.5 W ARRANTY - 7 - 3 PRODUCT OVERVIEW - 8 - 3.1 K EY F EATURES - 9 - 3.2 H ARDWARE S PECIFICATION - 11 - 4[...]

  • Página 3

    GXV-3000 User Manual Grandstream Networks, Inc. - 3 - 5.3 C ONFIGURATION THROUGH C ENTRAL P ROVISIONING S ERVER - 43 - 6 SOFTWARE UPGRADE & CUSTOMIZATION - 44 - 6.1 F IRMWARE U PGRADE THROUGH TFTP/HTTP - 44 - 6.2 C ONFIGURATION F ILE D OWNLO AD - 46 - 6.3 M ANAGING F IRMWARE AND C ONFIGURATION F ILE D OWNLOAD - 46 - 6.4 C USTOMIZATION OWN S CRE[...]

  • Página 4

    GXV-3000 User Manual Grandstream Networks, Inc. - 4 - 1 Welcome Thank you for purchasing Grandstream award-winni ng GXV-3000 Video IP Phone. You made an ex- cellent choice and we hope you w ill enjoy all its capabilities. Grandstream GXV-3000 SIP IP Vide o Phone is a next generation ad vanced IP videophone based on SIP and H.264 standard. Built upo[...]

  • Página 5

    GXV-3000 User Manual Grandstream Networks, Inc. - 5 - 2 Installation 2.1 What is Included in the Package The GXV-3000 phone package contains: 1) One GXV-3000 Main Case 2) One Handset 3) One Phone Cord 4) One Universal Power Adaptor 5) One Ethernet Cable 6) Two Wall Mount Sustaining Brackets 2.2 Connecting Your Phone Following is a backside picture [...]

  • Página 6

    GXV-3000 User Manual Grandstream Networks, Inc. - 6 - Power 12V DC power port RCA Output RCA Output Interface to exte rnal display like TV set Headset 2.5mm Headset port 2.3 Wall Mount GXV-3000 can be wall mounted. The two wall mount su staining brackets can be attached to the bot- tom of the main body: User can simply place the device against the [...]

  • Página 7

    GXV-3000 User Manual Grandstream Networks, Inc. - 7 - 2.4 Safety Compliances The GXV-3000 phone is compliant with various safety standards including FCC/CE. Its power adaptor is compliant with UL standard. The phone should onl y be operated with the universal power adaptor provided with the package. Damages to the phone caused by using other unsupp[...]

  • Página 8

    GXV-3000 User Manual Grandstream Networks, Inc. - 8 - 3 Product Overview GXV-3000 IP Video Phone is designed to be used in general household or office. The following photo illustrates the appearance of a GXV-3000 IP Video phone. Front View Back View[...]

  • Página 9

    GXV-3000 User Manual Grandstream Networks, Inc. - 9 - 3.1 Key Features Grandstream GXV-3000 IP Video Phone is a next generati on advanced IP video telephone based on industry’s open standard SIP (Session Initiatio n Protocol) and H.264. Built upon Grandstream ’s inno- vative technology, GXV-3000 IP Video Phone features superb audio an d video q[...]

  • Página 10

    GXV-3000 User Manual Grandstream Networks, Inc. - 10 - figurable screen-saver pictures , still picture capture/store/se nd (VGA resolution), visual voice message indicator, intuitive graphic user interf ace enabled by 5 navigation buttons, etc. Support 2 USB (2.0) host ports, 1 audio and 1 video output jack (capable of outputting video to an extern[...]

  • Página 11

    GXV-3000 User Manual Grandstream Networks, Inc. - 11 - 3.2 Hardware Specification The table below describes the hard ware specification of GXV-3000: Model GXV-3000 Ethernet Port Dual 10M/100M auto-sensing Ethernet ports Switch or router/NAT mode configurable LCD 5.6 inch TFT color LCD Camera Advanced CMOS sensor (VGA resolution), 330K Pixels Auxili[...]

  • Página 12

    GXV-3000 User Manual Grandstream Networks, Inc. - 12 - 4 Using GXV-3000 IP Video Phone 4.1 Getting Familiar with LCD GXV-3000 IP Video phone has a 5.6 inch TFT color LC D. Here is the sample LCD display showing the phone is registered to VoIP service provi ders’ SIP server/proxy w ith one missed call icon. The phone has a screen saver. When it is[...]

  • Página 13

    GXV-3000 User Manual Grandstream Networks, Inc. - 13 - Handset, Speakerphone and Ring Volume Icon: 0-7 scales to adjust hand set / speakerphone / ring volume Real-time Clock: Synchronized to Internet time server Time zone configurable via web browser Time Icon: AM for the morning PM for the afternoon 4.2 Getting Familiar with Keypad Here is the key[...]

  • Página 14

    GXV-3000 User Manual Grandstream Networks, Inc. - 14 - GXV-3000 IP Video phone has 30 key buttons: Key Button Key Button Definitions LINE1-LINE3 3 Line keys with LED, can be conf igured to different SIP profile UP ↑ Next “Menu Item” when phone is in keypad configuration mode Or increase handset/speakerphone volume when phone is ACTIVE Or incr[...]

  • Página 15

    GXV-3000 User Manual Grandstream Networks, Inc. - 15 - SPEAKER Enable/Disable hands-free speaker mode HOLD Temporarily hold an ACTIVE call SEND Dial a new number or Redial the last number dialed. After entering the phone number, pressing this ke y would force a call to go out immediately before “no key entry timeout” value expires 0 - 9, *, # 1[...]

  • Página 16

    GXV-3000 User Manual Grandstream Networks, Inc. - 16 - For incoming calls, if an account is configured and registered, all incoming call s for that account will attempt to use its corresponding LINE if it is not in us e. When the “virtually” m apped line is in use, GXV-3000 will flash the next av ailable LINE (from Left to Right) in red color. [...]

  • Página 17

    GXV-3000 User Manual Grandstream Networks, Inc. - 17 - To make a direct IP calling, press “OK” button to bring up MAIN MENU, the select “Direct IP Call” in the MENU and press OK to select, then key in the 12-digit target IP addre ss, press OK key again to call out. Examples: If the target IP address is 192.168.1.60 and por t is 5062, like 1[...]

  • Página 18

    GXV-3000 User Manual Grandstream Networks, Inc. - 18 - 4.3.5 Receiving Calls There are three states wh en GXV-3000 receives a call: 1. When receiving an initial call. Besides ringing with selected Ring Tone, the corresponding ac- count LINE will flash in red, taking Handset/ SPEAKER/Headset off hook will enable user to hear the calling party in Han[...]

  • Página 19

    GXV-3000 User Manual Grandstream Networks, Inc. - 19 - current ACTIVE LINE on HOLD. Once the call es tablished, user just press “TRNF” key to transfer the call then hand up. NOTE: • Transferring calls across SIP domains needs to be supporte d by SIP service providers. • Blind Transfer will usually use the Prim ary account SIP profile 4.3.9 [...]

  • Página 20

    GXV-3000 User Manual Grandstream Networks, Inc. - 20 - again will resume the conversation. W hen presse d, the red icon (muted microphone) will blink in the LCD to remind call is muted. When dialing a number or during the Key Pa d “MAIN MENU” configuration mode, press “MUTE/DEL” will delete the last entered digit. When phone is idle, press [...]

  • Página 21

    GXV-3000 User Manual Grandstream Networks, Inc. - 21 - 4.4 Call Features GXV-3000 series phone supports a list of call features : Caller ID Block (or Anonymous Call), Dis- able/Enable Call Waiting, Call Forward on Busy, Delay, or Unconditional, etc. Following table shows the call fe atures of GXV-3000 series phone. Key Call Features *30 Block Calle[...]

  • Página 22

    GXV-3000 User Manual Grandstream Networks, Inc. - 22 - 5 Configuration Guide 5.1 Configuration with Keypad When the phone is on hook, press the OK button to enter MENU mode. When the phone goes off hook or a call comes in, the phone automatically exits the ME NU state and prepares for the call. It also exits the MENU state if left idle for 20 secon[...]

  • Página 23

    GXV-3000 User Manual Grandstream Networks, Inc. - 23 -[...]

  • Página 24

    GXV-3000 User Manual Grandstream Networks, Inc. - 24 - 5.2 Configuration wi th Web Browser GXV-3000 series IP phone has an embedded We b server that will respond to HTTP/HTTPS GET/POST requests. It also has embedded HTML pages that allow a user to configure the IP phone through a Web browser such as Microsoft’s IE or Mozilla Firefox. 5.2.1 Access[...]

  • Página 25

    GXV-3000 User Manual Grandstream Networks, Inc. - 25 - Web Port: 80 (default for HTTP is 80 and HTTPS is 443) End User Pass- word: (purposely not displayed for security protection) IP Address: dynamically assigned via DHCP (default) or PPPoE (will attempt PPPoE first if PPPoE setting is non-blank) DHCP hostname: DHCP domain: DHCP vendor class ID: G[...]

  • Página 26

    GXV-3000 User Manual Grandstream Networks, Inc. - 26 - LCD Background Color: Red (0-255) 0 Green (0-255) 0 Blue (0-255) 0 OSD Text Color: Pu r p l e Camera zoom mode: 1.0:1 ( w ide) Camera Expo- sure: No r ma l Camera Color Mode: Color Monochrome Camera White Balance: Auto Fixed Camera Lens Correction: No Yes TV Output: NTS C U pdate C anc el R ebo[...]

  • Página 27

    GXV-3000 User Manual Grandstream Networks, Inc. - 27 - Time Display Format LCD time display in 12 hour or 24 hour format Date Display Format Allow user to choose among the following three formats: Year-Month-Day Month-Day-Year Day-Month-Year Display Clock instead of Date LCD displays clock if set to “Yes”, it wi ll show clock in the LCD. Defaul[...]

  • Página 28

    GXV-3000 User Manual Grandstream Networks, Inc. - 28 - Grandstream Device Configuration STATUS BASIC SETTINGS ADVANCED SETTINGS ACCOUNT 1 ACCOUNT 2 ACCOUNT 3 Hardware Revision: Main-- 1.1 Rev C Interface-- 1.1 Rev A MAC Address: 00.0B.82.09.B9.DA IP Address: 192.168.1.108 Product Model: GXV3000 Software Ver sion: Application-- 1.0.0.33 Load er -- 1[...]

  • Página 29

    GXV-3000 User Manual Grandstream Networks, Inc. - 29 - PPPoE Link Up This field shows whether the PPPoE c onnection is up if connected to DSL modem. Detected NAT Type This field shows what kind NAT router the GXV-3000 is connected to. It is based on the result of STUN protocol resolution. 5.2.3 Advanced User Configuration To login to the Advanced U[...]

  • Página 30

    GXV-3000 User Manual Grandstream Networks, Inc. - 30 - Video fit to screen : Scaling Cropping Enable Video Surveillance: No Yes RTSP port: 554 (default is 554) L ayer 3 QoS: 48 (Diff-Serv or Precedence value) L ayer 2 QoS: 802.1Q/VLAN Tag 0 802.1p priority value 0 (0-7) N o Key Entry Timeout: 4 (in seconds, default is 4 seconds) Use # as Dial Key: [...]

  • Página 31

    GXV-3000 User Manual Grandstream Networks, Inc. - 31 - Admin Pass- word Administrator password. Only administra tor can configure th e “Advanced Settings” page. Password field is purposely left bla nk for security reason after clicking update and saved. The maximum password length is 25 characters. Silence Sup- pression This controls the silenc[...]

  • Página 32

    GXV-3000 User Manual Grandstream Networks, Inc. - 32 - RTSP port Default is 554. The port for video surveillance camera data stream. Layer 3 QoS This field defines the layer 3 QoS parameter which can be the value used for IP Precedence or Diff-Serv or MPLS. Default value is 48. Layer 2 QoS This contains the value used for layer 2 VLAN tag. Default [...]

  • Página 33

    GXV-3000 User Manual Grandstream Networks, Inc. - 33 - Via HTTP Server The URL for the HTTP server used for firmware upgrade and configuration via HTTP. For example, http://provisioning.mycompany.com:6688/Grandstream /1.0.0.33 Here “:6688” is the specific TCP port that the HTTP server is listening at, it can be omitted if using default port 80.[...]

  • Página 34

    GXV-3000 User Manual Grandstream Networks, Inc. - 34 - Syslog Level Select the ATA to report the log level. Default is NONE. The level is one of DE- BUG, INFO, WARNING or ERROR. Syslog messages are sent based on the follow- ing events: • product model/version on boot up (INFO level) • NAT related info (INFO level) • sent or received SIP messa[...]

  • Página 35

    GXV-3000 User Manual Grandstream Networks, Inc. - 35 - Use Quick IP Call Mode This model has the ability to dial an IP address under the same LAN/VPN segment by simply pressing the last octet in the IP address, without SIP server required. In the Advanced Settings page there is an option "Use Quick IP-call mode", by de- fault it is set to[...]

  • Página 36

    GXV-3000 User Manual Grandstream Networks, Inc. - 36 - 5.2.4 Individual Account Settings Three independent SIP accounts each has its own configuration page. Their configurations are identi- cal. The following is a screen shot of SIP Account 2 settings. Grandstream Device Configuration STATUS BASIC SETTINGS ADVANCED SETTINGS ACCOUNT 1 ACCOUNT 2 ACCO[...]

  • Página 37

    GXV-3000 User Manual Grandstream Networks, Inc. - 37 - Enable Call Features: No Yes (if Yes, Call Forwarding & Call-Waiting-Disable are supported locally) Session Expiration: 180 (in seconds. default 180 seconds) Min-SE: 90 (in seconds. default a nd minimum 90 seconds) Caller Request Timer: Yes No (Req uest for timer when making outbound calls)[...]

  • Página 38

    GXV-3000 User Manual Grandstream Networks, Inc. - 38 - Account Active This field indicates whether the account is active or not. The default value for the primary account Account 1 is Yes. Th e default values for the other three accounts are No. Account Name A name to identify an account which will be displayed in L CD. SIP Server SIP Server’s IP[...]

  • Página 39

    GXV-3000 User Manual Grandstream Networks, Inc. - 39 - NAT Traversal This parameter defines whether th e GXV-3000 NAT traversal mechanism will be activated or not. If activated (by c hoosing “Yes”) and a STUN server is also specified, then the GXV-3000 will behave according to the STUN client speci- fication. Under this mode, the embe dded STUN[...]

  • Página 40

    GXV-3000 User Manual Grandstream Networks, Inc. - 40 - Callee Request Timer If selecting “Yes” the phone will use session tim er when it receives inbound calls with session timer request. Force Timer If selecting “Yes” the phone will u se se ssion timer even if the remo te party does not support this feature. Selecti ng “No” will allow [...]

  • Página 41

    GXV-3000 User Manual Grandstream Networks, Inc. - 41 - Jitter Delay Select desired Jitter Buffer Delay. Poor network suggested using High. Default is Medium. Enable Video When set to Yes, video is enab led on calls, otherwise disabled. H.264 payload type Enter a desired value (96-127) for dyna mic RTP payload type for H.264 codec. Default is 99. Sp[...]

  • Página 42

    GXV-3000 User Manual Grandstream Networks, Inc. - 42 - 5.2.6 Rebooting the Phone from Remote The administrator of the phone can remotely reboot the phone by pressing th e “Reboot” button at the bottom of the configuration menu. On ce done, the following screen will be displayed to indicate that rebooting is underway. Grandstream Device Configur[...]

  • Página 43

    GXV-3000 User Manual Grandstream Networks, Inc. - 43 - 5.3 Configuration through Cent ral Provisioning Server Grandstream GXV-3000 can be automatically conf igured from a central provisioning system . When GXV-3000 boots up, it will send TFTP or HTTP re quest to download configuration file which is “cfg000b82xxxxxx”, where “000b82xxxxxx” is[...]

  • Página 44

    GXV-3000 User Manual Grandstream Networks, Inc. - 44 - 6 Software Upgrade & Customization Software (or firmware) upgrade can be done via e ither TFTP or HTTP. The corresponding configura- tion settings are in the ADVANCED SETTINGS configuration page. 6.1 Firmware Upgrade through TFTP/HTTP To upgrade via TFTP or HTTP, user needs to select TFTP o[...]

  • Página 45

    GXV-3000 User Manual Grandstream Networks, Inc. - 45 - Alternatively, user can dow nload and install a free TFTP or HTTP server in his/her LAN to do firm- ware upgrading. A free Windows version TFTP se rver can be downloaded from: http://support.solarwinds.net/updates/New-customerFree.cfm . Our latest official releas e can be downloaded from: http:[...]

  • Página 46

    GXV-3000 User Manual Grandstream Networks, Inc. - 46 - 6.2 Configuration File Download Grandstream SIP Device can be c onfigured via Web Interface as we ll as via Configuration File through TFTP or HTTP. “Upgrade Server” is the TFTP or HTTP server path for configuration file. It needs to be set to a valid URL, either in FQDN or IP address forma[...]

  • Página 47

    GXV-3000 User Manual Grandstream Networks, Inc. - 47 - There is a limitation for the f lash size to hold th e screensaver image file (image.bin) also. Currently the screensaver file (image.bin) limitation is 20 im ages or 320kb whichever limit is reached first. Screensaver picture can be changed th e sam e way as customized ring tone. Users are rec[...]

  • Página 48

    GXV-3000 User Manual Grandstream Networks, Inc. - 48 - Here is the screen shot o f the Screensaver Tool Utility: Please keep in mind the lim itation of the image.bin file . Once the file is g enerated by this utility tool, please put the file in to the same folders conta ining firmware files. The screensaver image flashing follo ws the same way of [...]

  • Página 49

    GXV-3000 User Manual Grandstream Networks, Inc. - 49 - 6.5 Customization own Ring Tones User can customize the ring tone using th e free tool downloadable from our website: http://www.grandstream.com/y-ringtone.htm Please follow the sam e rules as the Screensaver to generate the r ing tone files and load them into the phone. Here are the requiremen[...]

  • Página 50

    GXV-3000 User Manual Grandstream Networks, Inc. - 50 - 7 Auxiliary Ports 7.1 USB 2.0 Port When a USB device is plugged into one of the two USB 2.0 ports, an icon will show up in the lower part of the LCD to illustrate the connected device. Following is the snap shot of the LCD when an USB device is plugged into the interface: Figure 7-1: (Remark: T[...]

  • Página 51

    GXV-3000 User Manual Grandstream Networks, Inc. - 51 - 7.1.1 Capture pictures via USB po rt When a USB flash drive is plugged into the USB port and icon showed up to illustrate the drive is ready, user can snap shot or capture the picture sh owed on the LCD and save it into the flash disk. Here are the procedures: When th e USB flash disk device is[...]

  • Página 52

    GXV-3000 User Manual Grandstream Networks, Inc. - 52 - 7.2 RCA style stereo audio & composit e video output The picture below shows the connection of GXV-3000 to TV set which allows use to watch the video and hear the audio on home TV set. Figure 7-2:[...]

  • Página 53

    GXV-3000 User Manual Grandstream Networks, Inc. - 53 - 7.3 Headset Jack The picture below shows the handset and h eadset connectors’ wiring schema of GXV-3000. Figure 7-3: As show in the schema, the left side is pin assignme nt of a RJ-22 handset plug; while the right side is showing a normal 2.5mm headset plug. If use want to connect the phone t[...]

  • Página 54

    GXV-3000 User Manual Grandstream Networks, Inc. - 54 - 8 Video Surveillance GXV-3000 can be turned into a video surveillance camer a. It works very well if the m onitor device and the GXV-3000 are in the same LAN. If the monito r device is out side the router in another LAN through two routers, unless tweaks the routers correctly, it is very hard t[...]

  • Página 55

    GXV-3000 User Manual Grandstream Networks, Inc. - 55 - There are several limitations: 1. Currently it supports only 2 concu rrent views on GXV. The video str eam is set at 5 frame per sec- ond and 128kbps. 2. The video stream will stop if a call starts. The ph one’s video stream server will not actively term i- nate the session, but most clients [...]

  • Página 56

    GXV-3000 User Manual Grandstream Networks, Inc. - 56 - 9 Restore Factory Default Setting WARNING !!! Restore the Factory Default Setting will DELETE all configuratio n information of the phone. Please BACKUP or PRINT out all the settings before you approach to following steps. Grand- stream will not take any responsibility if you lose all the param[...]

  • Página 57

    GXV-3000 User Manual Grandstream Networks, Inc. - 57 - 10 Glossary of Terms ADSL Asymmetric Digital Subscriber Line: Modem s a ttached to twisted pair copper wiring that transmit from 1.5 Mbps to 9 Mbps downstream (to the subscriber) and from 16 kbps to 800 kbps upstream, depending on line distance. AGC Automatic Gain Control, is an electronic syst[...]

  • Página 58

    GXV-3000 User Manual Grandstream Networks, Inc. - 58 - and wireless local loop. The DE CT Common Interface radio standard is a m ulticarrier time di- vision multiple access, time division duplex (MC -TDMA-TDD) radio transmission technique using ten radio frequency channels from 1880 to 1930 MHz, each divided into 24 tim e slots of 10ms, and twelve [...]

  • Página 59

    GXV-3000 User Manual Grandstream Networks, Inc. - 59 - An FXO interface will accept calls from FXS or PSTN interfaces. All countries and regions have their own standards. FXO is complimentary to FXS (and the PSTN). FXS Foreign eXchange Station An FXS device has hardware to generate the ri ng signal to the FXO extension (usually an ana- log phone). [...]

  • Página 60

    GXV-3000 User Manual Grandstream Networks, Inc. - 60 - The intent of H.264/AVC has been to create a st andard that would be capable of providing good video quality at bit rates that are substantially lower (e.g., half or less) than what previous standards would need (e.g., relative to MPEG-2 , H.263 , or MPEG-4 Part 2 ). HTTP Hyper Text Transfer Pr[...]

  • Página 61

    GXV-3000 User Manual Grandstream Networks, Inc. - 61 - OBP/SBC Outbound Proxy or another name Session Bo rder Controller. A device used in VoIP networks. OBP/SBCs are put into the si gnaling and media path between calling and called party. The OBP/SBC acts as if it was the called VoIP phone and places a second call to the called party. The effect o[...]

  • Página 62

    GXV-3000 User Manual Grandstream Networks, Inc. - 62 - Simple Traversal of UDP over NATs, is a network protocol allowing clients behind NAT (or multiple NATs) to find out its public address, the type of NAT it is behind and the internet side port associated by the NAT with a particular loca l port. This information is used to se t up UDP communicat[...]