cisco voip and ericsson PBX Problem

Unanswered Question
Feb 13th, 2009

Hi to all,

Scenario:

Call manager (v5.1)-->cisco 2811(isdn bri in basic-net3)-->ericsson md 110

phone A (voip) call phone B(analogic) then phone B call Phone C (Voip) and transfer the call so now A and C are connected but on the VGW 2811 a still see both isdn channel active

Any idea?is it normal

interface BRI0/3/0

no ip address

no ip mroute-cache

isdn switch-type basic-net3

isdn protocol-emulate network

isdn layer1-emulate network

isdn incoming-voice voice

isdn sending-complete

isdn static-tei 0

isdn skipsend-idverify

voice-port 0/3/0

disc_pi_off

no vad

compand-type a-law

no comfort-noise

cptone IT

timeouts call-disconnect 3

timeouts wait-release 3

thx

I have this problem too.
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Paolo Bevilacqua Fri, 02/13/2009 - 04:11

Hi, the call flow is not very clear (where are these phones ?), however it's normal, calls transferred via POTS interface keep the channels taken unless Q.SIG supplementary service are used to signal a remote PBX to hairpin the call.

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