Audio From Soft Phone Actual Phone From Cloud

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I have a cloud server… I have a phone in Chicago I have a phone in Indiana. Both are registered to the cloud server – using chan_sip and Asterisk
18.18.0

I can send a pre-recorded message to Chicago it auto answers and hear audio. I can do the same to the phone in indiana.

however – when i call from Indiana to Chicago – the phone rings – but I do not get any audio?

I have in sip.conf externip=real_ip_here localnet2.31.17.0/255.255.255.0
localnet2.168.11.0/255.255.255.0
localnet2.168.1.0/255.255.252.0
localnet.0.0.0/255.255.255.0

One phone config: (both are the same)
[YYYYY]
type=friend defaultname=YYYYY
defaultuser=YYYYY
secret=notshown dtmfmode=RFC2833
host=dynamic description=testing. context=some-context-that-works rtptimeout`
rtpholdtimeout`
rtpkeepalive`
callerid=YYYYYY
qualify=yes insecurecanreinvite=yes timezone=0
nat=force_rport,comedia disallow=all allow=ulaw allow=alaw allow=gsm

Which accounts for all locations.

Why might I not be getting audio ?

Jerry

One thought on - Audio From Soft Phone Actual Phone From Cloud

  • Make sure the RTP port range is correctly configured and open on your server’s firewall.

    The port range is defined in /etc/asterisk/rtp.conf

    The same range of UDP ports must be correctly forwarded on your firewall from the outside to Asterisk.

    For example, in rtp.conf:

    [general]
    ;
    ; RTP start and RTP end configure start and end addresses
    ;
    rtpstart=10002
    rtpend=10199

    —