Jonas Kellens wrote:
Hello,
short question : does Asterisk reserve RTP ports for every IP-phone that
is being called ?
It uses 2 ports per channel under normal circumstances, 1 for RTP and 1
for RTCP.
If for instance an incoming call makes 10 IP-phones ring, does this mean
that Asterisk preserves 10 x 2 RTP ports for audio ?
Yes.
I guess Asterisk sends in the SIP INVITE an SDP body with an RTP port
number for audio ? If this is the case for the 10 IP-phones to which an
INVITE is send to, this means at least 10 RTP ports are reserved for
incoming audio, correct ???
Yes.
--
Joshua Colp
Digium, Inc. | Senior Software Developer
445 Jan Davis Drive NW - Huntsville, AL 35806 - USA
Check us out at: www.digium.com & www.asterisk.org
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