[cisco-voip] modem-to-modem woes on VG224

[Lelio Fulgenzi]

forums had a good solution to this. like i would have ever figured this out.

http://forum.cisco.com/eforum/servlet/NetProf?page=netprof&forum=Unified%20Communications%20and%20Video&topic=IP%20Telephony&CommCmd=MB%3Fcmd%3Ddisplay_location%26location%3D.1ddd37dc

in summary:
  - In VG224: check configuration again and add the following commands: 
  !---- 
  voice service voip 
  modem passthrough nse payload-type 110 codec g711alaw redundancy maximum-sessions 1 

i haven't done signifant testing, but it looks like it works.

  ----- Original Message ----- 
  From: Lelio Fulgenzi 
  To: Cisco VoIPoE List 
  Sent: Monday, September 17, 2007 2:30 PM
  Subject: modem-to-modem woes on VG224


  OK, so i'm delving into the black arts and testing modem-to-modem dialing on a VG224. No gateways involved (yet) and it's not working.

  I'm using SCCP, which I believe has modem/fax passthrough enabled by default. Here's my snip'ed config, which is relatively simple.

  Any pointers?

    Using 3258 out of 65528 bytes
    !
    version 12.4
    no service pad
    service timestamps debug datetime localtime
    service timestamps log datetime localtime
    service password-encryption
    !
    hostname kc_vg224_no1
    !
    boot-start-marker
    boot system slot0:vg224-i6s-mz.124-11.T2.bin
    boot-end-marker
    !
    logging buffered 4096
    !
    stcapp ccm-group 105
    stcapp
    !
    voice-card 0
    !
    interface FastEthernet0/0
     description srvr-jnhn
     ip address 10.104.21.99 255.255.255.240
     duplex full
     speed 100
    ip route 0.0.0.0 0.0.0.0 10.104.21.96
    !
    no ip http server
    !
    control-plane
    !
    !
    voice-port 2/0
     timeouts ringing infinity
    !
    voice-port 2/1
     timeouts ringing infinity
    !
    sccp local FastEthernet0/0
    sccp ccm 10.104.34.48 identifier 48
    sccp ccm 10.104.20.101 identifier 101
    sccp ccm 10.104.96.108 identifier 108
    sccp ccm 10.104.96.104 identifier 104
    sccp
    !
    sccp ccm group 105
     associate ccm 104 priority 1
     associate ccm 108 priority 2
     associate ccm 101 priority 3
     associate ccm 48 priority 4
    !
    !
    dial-peer voice 200 pots
     service stcapp
     port 2/0
    !
    dial-peer voice 201 pots
     service stcapp
     port 2/1
    !
    !

    banner login ^CAccess Restricted to CCS Staff Only. All Access Attempts Are Logged.^C
    !
    end
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