I have to install a video conferencing system, which is constituted of H.323 Endpoints (Tandberg), a gatekeeper, an IPVC/3526 gw and a CCM 4.1(3). All H.323 devices are registered on the gatekeeper and all SCCP on the Callmanager. I have configured trunks between GK and CCM, and the internal videocalls work.
The remaining problem is for external videocalls which involve the IPVC. In fact, IPVC is registered on the GK and I have configured services to route calls from GK to IPVC. Then IPVC is directely linked to the ISDN (E1). But, I never succeed in making external videocalls (incoming and outgoing). Furthermore, I ensured that my E1 was well provisionned.
Is anybody have an idea regarding this architecture ? Is it right ? Have I forget something to configure ?
SIP traces provide key information in troubleshooting SIP Trunks, SIP
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