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Clear Channel Codec between Cisco GW and Patton Smartnode

Hi,

i have to establish an H.323 connection between an Cisco 3745 and an Patton

Smartnode 1200 with clear-channel codec to support ISDN-Data over VoIP.

PC with ISDN-Card---S0/PattonGW----H.323----3745/E1----PSTN

Software versions:

Cisco: SPServices 12.4(5a)

Patton SN1200: R3.20 2006-03-30 H323

The call establishment is sucessfull but i am not able pass any Data over

ISDN. Does anyone got this working?

Any help is welcome.

Regards,

Robert

Below are some Konfig sniplets:

Cisco:

controller E1 0/1/0

pri-group timeslots 1-31

interface Serial0/1/0:15

no ip address

encapsulation hdlc

isdn switch-type primary-net5

isdn overlap-receiving

isdn incoming-voice voice

isdn send-alerting

isdn sending-complete

no cdp enable

dial-peer voice 10 pots

description ----- Towards PSTN -----

answer-address <removed>

destination-pattern 0T

progress_ind setup enable 3

fax rate disable

direct-inward-dial

port 0/1/0:15

dial-peer voice 473997246 voip

description ----- towards Patton GW -----

destination-pattern <removed>

progress_ind setup enable 3

modem passthrough nse codec g711alaw

session target ipv4:192.168.1.28

codec clear-channel bytes 80

ip qos dscp cs5 media

no vad

!

dial-peer voice 473997247 voip

description ----- Incoming Dial-Peer -----

modem passthrough nse codec g711alaw

incoming called-number <removed>

codec clear-channel bytes 80

ip qos dscp cs5 media

no vad

Patton:

profile voip VOIP

codec 1 transparent-cisco rx-length 20 tx-length 20

no high-pass-filter

no post-filter

no dtmf-relay

no dtmf-mute-encoder

context ip router

rtp-port-range 16384 32767

context cs switch

no digit-collection timeout

no address-completion timeout

interface h323 IF_H323

bind gateway GW_H323

route call dest-interface IF_S0_01

remote 192.168.254.30 1720

itc rx transparent

use profile voip VOIP

interface isdn IF_S0_01

route call dest-interface IF_H323

use profile tone-set Europe

no call-waiting

gateway h323 GW_H323

faststart

early-h245

h235-security version v2

no h235-security q931-auth-int

bind interface IF_IP_LAN router

no shutdown

use profile voip VOIP

port bri 0 1

clock auto

encapsulation q921

q921

protocol pmp

uni-side auto

encapsulation q931

q931

protocol dss1

uni-side net

encapsulation cc-isdn

bind interface IF_S0_01 switch

1 REPLY
Silver

Re: Clear Channel Codec between Cisco GW and Patton Smartnode

The SIP Media Inactivity Timer feature enables Cisco gateways to monitor and disconnect VoIP calls if no Real-Time Control Protocol (RTCP) packets are received within a configurable time period.

When RTCP reports are not received by a Cisco gateway, the SIP Media Inactivity Timer feature releases the hung session and its network resources in an orderly manner. These network resources include the gateway digital signal processor (DSP) and time-division multiplexing (TDM) channel resources that are utilized by the hung sessions. Because call signaling is sent to tear down the call, any stateful SIP proxies involved in the call are also notified to clear the state that they have associated with the hung session. The call is also cleared back through the TDM port so that any attached TDM switching equipment also clears its resources.

http://www.cisco.com/en/US/products/ps6441/prod_troubleshooting_guide09186a00801fa207.html#wp2077496

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