[cisco-voip] Codec g728r8 on a POTS PEER?

[Philip Walenta]

Going on memory here....

If you have a PRI or CAS T1 and you don't have an incoming called number or
direct-inward-dial statement, the call is temporarily placed on a pots port.
Since no audio is terminated, the call by default uses that codec. 

-----Original Message-----
From: cisco-voip-bounces at puck.nether.net
[mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of DeRooy, Aaron H
Sent: Wednesday, February 15, 2006 8:51 PM
To: cisco-voip at puck.nether.net
Subject: [cisco-voip] Codec g728r8 on a POTS PEER?

Inbound call over PRI to IP phone, hits h323 g/w and get immediate dial tone
on the land line phone and IP phone doesn't ring. 

I made this break by removing the "incoming called -number . " on peer
91(its shown with icn below). With that statement in peer 91, calls go right
thru to CCM and IP phone.

Show voice call active bri is below. It shows only one of the usual pair of
endpoints. Where does it get a codec (g729r8 pri-ietf)? Can't be from the
config cause there's no code command on pots peers. 

Is the failure for the call to find the VoIP peer a result of the codec miss
match? And can anyone explain why it matches 97 in the first place and not
91?
 


"from show voice all active bri"

30BD : 1201385118hs.12029 +-1 +386 pid:97 Answer 5852333001  dur 00:00:00
tx:0/0 rx:0/0 10  (normal call clearing.)  Telephony 1/1:23:12029:
tx:0/0/0ms g729r8 pre-ietf noise:0dBm acom:0dBm

"H323 ios g/w config"

dial-peer voice 97 pots
 destination-pattern 9......
 port 1/1:23
 prefix 9
!
dial-peer voice 3 voip
 huntstop
 incoming called-number .
 destination-pattern .
 session target ipv4:10.168.0.20
 dtmf-relay h245-alphanumeric
 codec g711ulaw
 ip precedence 5
 no vad
!
dial-peer voice 91 pots
 incoming called-number .
 destination-pattern 91800.......
 direct-inward-dial
 port 1/1:23
 forward-digits 10
 prefix 91





Aaron H. DeRooy 




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