I have a 3661 running (H.323)12.4.4T with an NM-2V 2 FxS with a modem attached. I am calling a 2821 running (H.323) 12.4.4T with a PRI connecting to the PSTN. I have configured the following on the 3661:
modem passthrough nse codec g711ulaw redudancy.
I am unable to get the modem to connect on a regular basis.
I have turned off error correction, flow control, and auto speed on the modem. Looking for some guidance.
When the gateway detects a data modem, both the originating gateway and the terminating gateway roll over to G.711. The roll over to G.711 disables the high-pass filter, disables echo cancellation, and disables VAD.
SIP traces provide key information in troubleshooting SIP Trunks, SIP
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Please find the attached HTML document, download and open it on your PC.
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CUCM Database Replication is an area in which Cisco customers and
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