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NO RINGBACK from PBX calls on C3640! Even with progress_ind commands !!!

We currently have a C3640 connected to our PBX Siemens Hicom125, through a VIC-2BRI-NT/TE.

The port used on the BRI is configured as NT.

Call admission is working from IPPhone to PBX-analog phones, but without any ringback on IPPhone speaker.

We already tried all famous progress_ind commands, but it does not change anything.

WHAT'S GOING WRONG ???

Sample of our config:

interface BRI2/0

no ip address

isdn switch-type basic-net3

isdn overlap-receiving T302 4000

isdn protocol-emulate network

isdn layer1-emulate network

isdn incoming-voice voice

isdn sending-complete

isdn skipsend-idverify

line-power

!

voice-port 2/0/0

disc_pi_off

echo-cancel coverage 24

compand-type a-law

cptone LU

bearer-cap Speech

!

dial-peer voice 200 pots

*** Extension 2xx are internal analog phones, connected to our PBX ***

destination-pattern 2..

progress_ind alert enable 8

progress_ind progress enable 8

progress_ind connect enable 8

direct-inward-dial

port 2/0/0

forward-digits all

!

dial-peer voice 500 voip

destination-pattern 5..

progress_ind setup enable 3

session target ipv4:192.168.55.2

dtmf-relay cisco-rtp h245-alphanumeric

req-qos guaranteed-delay

codec g711alaw

!

AND ABOUT THE ROUTER VERSION:

Version 12.1(5)YD2 (C3640-IS56I-M), RELEASE SOFTWARE (fc2)

1 REPLY

Re: NO RINGBACK from PBX calls on C3640! Even with progress_ind

Often times complex troubleshooting issues are best addressed in an interactive trouble-shooting session with one of our trained technical assistance engineers. While other forum users may be able to help, it’s often difficult to do so for this type of issue.

To utilize the resources at our Technical Assistance Center, please visit http://www.cisco.com/tac and to open a case with one of our TAC engineers, visit http://www.cisco.com/tac/caseopen

If anyone else in the forum has some advice, please reply to this thread.

Thank you for posting.

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