Having issues wit ha 924e with sip in pots out when a modem call comes in we can download 75% of the file then the call drops. Can this be fixed by RTP PACKET DELAY commands?
It sets the maximum and nominal limits for latency of RTP packets on the network. By default, maximum is 100ms and nominal is 50ms. Maximum can be increased to 320 and nominal to 240.
I'd ensure that you have modem-passthrough turned on and that you're using G.711 codec. Increasing the RTP packet dely slightly may help if there is significamt latency on the network.
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