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Cisco Systems VC-825 manual

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Table of contents for the manual

  • Page 1

    VC-825 Cisco IOS Voice, Video, and Fax Configuration Guide Cisco Hoot and Holler over IP The voi ce multicasting feature on Cisco 2600 an d 3600 series routers uses Cisco V oice ov er IP (V oIP) technology to creat e a permanen tly connected poi nt-to-multip oint hoot and ho ller network ov er an IP connection. This appendix describes the Cisco hoo[...]

  • Page 2

    Cisco Hoot and Holler over IP Hoot and Holler over IP Overview VC-826 Cisco IOS Voice, Video, and Fax Configuration Guide Hoot and holler is used in these v arious indu stries as a way to pro vide a one-to -many or man y-to-man y conferencing service for v oice commu nications. In the p ast, hoot and holler w as deplo yed using point-to-poin t tele[...]

  • Page 3

    Cisco Hoot and Holler o ver IP Hoot and Holler over IP Overview VC-827 Cisco IOS Vo ice, Video, and Fax Con figuration Guide For further informati on about intera cti ve v oice response (IVR), refer to Confi guring Interactive V oice Response for Cisco Access Platforms. Current Hoot and Holler Implementations T raditional hoot and holler n etworks [...]

  • Page 4

    Cisco Hoot and Holler over IP Hoot and Holler over IP Overview VC-828 Cisco IOS Voice, Video, and Fax Configuration Guide This dynamic sharing of band width is ev en more compelling with hoot and h oller than with a toll-b ypass application because some hoot circui ts may be activ e for an hour or two for mo rning reports b ut dead for the rest of [...]

  • Page 5

    Cisco Hoot and Holler o ver IP Hoot and Holler over IP Overview VC-829 Cisco IOS Vo ice, Video, and Fax Con figuration Guide Y ou can connect voice multicasting telephon es to routers in th e follo wing ways: • Connect a four -wire E&M telephone, which has no dial and is al ways off-hook , directly to an E&M voice in terface card that is [...]

  • Page 6

    Cisco Hoot and Holler over IP Hoot and Holler over IP Overview VC-830 Cisco IOS Voice, Video, and Fax Configuration Guide Note IP/TV support for Ci sco hoot and holler o ver IP uses only G.711 u- law (mu-law) encoding. IP/TV supports on e audio stream for Cisco h oot and holler over IP . IP/TV does not support arbit ration and mixing. Content Manag[...]

  • Page 7

    Cisco Hoot and Holler o ver IP Hoot and Holler over IP Overview VC-831 Cisco IOS Vo ice, Video, and Fax Con figuration Guide The highly se gmented nature of ex isting hoot and holler networks can be le veraged in the migration from leg acy hoot technology to Cisco hoot and holler ove r IP . A small segment of th e hoot netwo rk can be con verted to[...]

  • Page 8

    Cisco Hoot and Holler over IP Hoot and Holler over IP Overview VC-832 Cisco IOS Voice, Video, and Fax Configuration Guide IP Multicast and DSP Ar bitration and Mixing When deploying Cisco hoot and h oller ov er IP , first co nsider ho w the v oice streams are going to be mix ed and ho w they will be distrib uted to other locations. Th is is done us[...]

  • Page 9

    Cisco Hoot and Holler o ver IP Hoot and Holler over IP Overview VC-833 Cisco IOS Vo ice, Video, and Fax Con figuration Guide Codecs By default, Cisco IOS sends all V oIP traf fic (media, usin g R TP) at a rate of 50 p ackets per second. The packets include not o nly the v o ice sample, b ut also an IP , User Datagram Protocol (UDP), and R TP header[...]

  • Page 10

    Cisco Hoot and Holler over IP Hoot and Holler over IP Overview VC-834 Cisco IOS Voice, Video, and Fax Configuration Guide More information on cR TP may be found in the “Quality of Service Ov ervie w” chapter of the Cisco IOS Quality of Service Soluti ons Configur ation Guide at th e follo wing URL: http://www .cisco.com/u ni vercd/cc/td/doc/pro[...]

  • Page 11

    Cisco Hoot and Holler o ver IP Cisco Hoot and Holler over IP Restric tions VC-835 Cisco IOS Vo ice, Video, and Fax Con figuration Guide W ith trad itional V oIP usages of conn ection trunk, t h e call is mapped to a r emo te router/gatew ay , and all the H.323 signaling is handled dynamically when the trunk is established. W ith hoot and holler ove[...]

  • Page 12

    Cisco Hoot and Holler over IP Configuration Tasks VC-836 Cisco IOS Voice, Video, and Fax Configuration Guide Configuring Multicast Routing T o enable multicast rout ing, use the following co mmands be ginning in global configuration mode: Configuring the Virtual Interface T o configure the virtual interface fo r multicast fast switching, use th e f[...]

  • Page 13

    Cisco Hoot and Holler o ver IP Configuration Tasks VC-837 Cisco IOS Vo ice, Video, and Fax Con figuration Guide Configuring VoIP Dial Peers T o conf igure the V oIP dial peers o n the router , use the follo wing commands beginnin g in global confi guration mode: Command Purpose Step 1 Router(config)# dial-peer voice tag voip Assigns a v ariable num[...]

  • Page 14

    Cisco Hoot and Holler over IP Configuration Tasks VC-838 Cisco IOS Voice, Video, and Fax Configuration Guide – Plus sign (+)—Matches a sequence of one or more matches of th e character/pattern. Note The plus sign used as part of the digit string is dif ferent from the plus sign that can be used in front of the digi t string to indicate that the[...]

  • Page 15

    Cisco Hoot and Holler o ver IP Configuration Tasks VC-839 Cisco IOS Vo ice, Video, and Fax Con figuration Guide Configuring E&M Voice Ports T o configure E&M voice ports, use the following commands beginning in global configurati on mode: Step 4 Router(config-dial-peer)# session target Assigns the session target for v o ice multicasting dia[...]

  • Page 16

    Cisco Hoot and Holler over IP Configuration Tasks VC-840 Cisco IOS Voice, Video, and Fax Configuration Guide Step 9 Router(config-voice-port)# operation { 2-wire | 4-wire } Specif ies the ca bling scheme for E&M ports. The 2-wir e ke yword is the default. (Choose 4-wi re op eration for the hoot and holler application .) Step 10 Router(config-vo[...]

  • Page 17

    Cisco Hoot and Holler o ver IP Configuration Tasks VC-841 Cisco IOS Vo ice, Video, and Fax Con figuration Guide Configuring for Receive Only Mode T o conf igure Cisco hoot and holler over IP as recei ve-only mode, use the follo wing commands beginning in global conf iguration mode: Step 14 Router(config-voice-port)# connection { plar | tie-line | p[...]

  • Page 18

    Cisco Hoot and Holler over IP Configuration Tasks VC-842 Cisco IOS Voice, Video, and Fax Configuration Guide Configuring Relevant Interface (Serial/Ethernet) T o conf igure either the serial or Ethernet interf ace, use the follo wing commands begi nning in global confi guration mode: Configuring Voice Ports in High-Density Voice Network Modules A m[...]

  • Page 19

    Cisco Hoot and Holler o ver IP Configuration Example s VC-843 Cisco IOS Vo ice, Video, and Fax Con figuration Guide Configuration Examples This section pro vides a series of configu ration ex amples to help you become familiar with v oice multicasting. These examples also sho w how to en sure that each conf igurat ion is working properly before pro[...]

  • Page 20

    Cisco Hoot and Holler over IP Configuration Examples VC-844 Cisco IOS Voice, Video, and Fax Configuration Guide Voice Multicasting over an Ethernet LAN Figure 134 sho ws the simplest configur ation for v oice multicasting o ver an Ethernet LAN. T wo routers are connected to each other ov er the Ethernet LAN. One E&M phone is connec ted to each [...]

  • Page 21

    Cisco Hoot and Holler o ver IP Configuration Example s VC-845 Cisco IOS Vo ice, Video, and Fax Con figuration Guide Configuring the Second Router In router Costello ( Figure 134 ), the E&M pho ne is connected to voice port 3/1/1 . Router Costello uses the same conf iguration as Abbott, ex cept for the following dif ferences: • The virtual int[...]

  • Page 22

    Cisco Hoot and Holler over IP Configuration Examples VC-846 Cisco IOS Voice, Video, and Fax Configuration Guide High-Density Voice Modules A multifle x trunk interf ace card in a high-den sity v oice networ k module requires special voice-port confi guration. The card must be conf igured first as is sho wn in the follo wing output: voice-card 6 cod[...]

  • Page 23

    Cisco Hoot and Holler o ver IP Configuration Example s VC-847 Cisco IOS Vo ice, Video, and Fax Con figuration Guide session target ipv4:237.111.0.0:22222 ip precedence 5 codec g711ulaw ! Note The configuration for the codec g711ulaw in the abo ve configurati on is not necessary—the default codec of g729r8 could be used (and it wo uld not display [...]

  • Page 24

    Cisco Hoot and Holler over IP Configuration Examples VC-848 Cisco IOS Voice, Video, and Fax Configuration Guide Quality of Service V oice traffi c is much more sensiti ve to timing v ariations than data traf fic. For good v oice performance, confi gure your data network so that voice pack ets are not lost or delayed. The follo wing example sho ws o[...]

  • Page 25

    Cisco Hoot and Holler o ver IP Configuration Example s VC-849 Cisco IOS Vo ice, Video, and Fax Con figuration Guide Cisco Hoot and Holler over IP with Ethernet Topology (Two Hoot Groups) The follo wing figure illu strates Cisco hoot and holle r over IP bein g used with an Ethernet topology: Figur e 135 Cisco H oot and Holler ov er IP wit h Ethernet[...]

  • Page 26

    Cisco Hoot and Holler over IP Configuration Examples VC-850 Cisco IOS Voice, Video, and Fax Configuration Guide network 1.5.13.0 ! voice-port 1/0/0 voice-class permanent 1 connection trunk 111 music-threshold -30 operation 4-wire ! voice-port 1/0/1 voice-class permanent 1 connection trunk 112 music-threshold -30 operation 4-wire ! dial-peer voice 1[...]

  • Page 27

    Cisco Hoot and Holler o ver IP Configuration Example s VC-851 Cisco IOS Vo ice, Video, and Fax Con figuration Guide Note If you want to join the hoot and holler session directly without ha ving to dial any session numbers, use the connection command and the plar ke yword, follo wed by the multicast-session number . Router-3 (FXO Ports) The follo wi[...]

  • Page 28

    Cisco Hoot and Holler over IP Configuration Examples VC-852 Cisco IOS Voice, Video, and Fax Configuration Guide Cisco Hoot and Holler over IP with Frame-Relay Topology (One Hoot Group) Figur e 136 Cisco H oot and Holler o ver IP with F rame Relay T opolog y In this topolog y , three routers are connected using 64K Frame Relay PVCs in a hub-and-spok[...]

  • Page 29

    Cisco Hoot and Holler o ver IP Configuration Example s VC-853 Cisco IOS Vo ice, Video, and Fax Con figuration Guide frame-relay interface-dlci 100 frame-relay ip rtp header-compression ! interface Serial0/0.2 point-to-point ip address 5.5.6.1 255.255.255.0 ip pim sparse-dense-mode frame-relay class hoot-n-holler frame-relay interface-dlci 101 frame[...]

  • Page 30

    Cisco Hoot and Holler over IP Configuration Examples VC-854 Cisco IOS Voice, Video, and Fax Configuration Guide frame-relay interface-dlci 100 frame-relay ip rtp header-compression ! map-class frame-relay hoot-n-holler frame-relay cir 128000 frame-relay bc 1280 frame-relay mincir 128000 frame-relay fragment 160 frame-relay ip rtp priority 16384 163[...]

  • Page 31

    Cisco Hoot and Holler o ver IP Configuration Example s VC-855 Cisco IOS Vo ice, Video, and Fax Con figuration Guide frame-relay fragment 160 frame-relay ip rtp priority 16384 16383 128 no frame-relay adaptive-shaping ! voice-port 1/0/0 voice-class permanent 1 connection trunk 111 music-threshold -30 operation 4-wire ! dial-peer voice 1 voip destina[...]

  • Page 32

    Cisco Hoot and Holler over IP Configuration Examples VC-856 Cisco IOS Voice, Video, and Fax Configuration Guide[...]