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Hi All,Previously, we are using CUCM 9.1, H323 gateway, and ISDN for inbound and outbound calls without any issues.Last night, we tried to use SIP for outbound calls to one of our local SIP providers. Everything seems to be working fine, but when te...
FYI. After two or so weeks with TAC, it boiled down to changing one service parameter in CUCM. This was causing CUCM to send a=sendonly, instead of actually sending a=sendrcv.
Hi Tere,This is what is on the link:Note To prevent the SDP mode from being set to inactive in a multiple-hold scenario, set the Duplex Streaming Enabled clusterwide service parameter (System > Service Parameters) to True.But, we are are not doing ...
