Adam Hart schrieb:
Andrew Kohlsmith wrote:
On October 31, 2004 05:36 pm, Bastian Schern wrote:
I've got no success to get a friend in Bogota (Colombia) connected to my
Asterisk. He has got a ISDN Internet connection and the UDP packets will
be fragmented. It seems that the MTU of this connection is round about
400 to 500 Bytes. Therefore most UDP-SIP packages are fragmented.
Is Asterisk not able to handle fragmented UDP packages?
Is it possible to use SIP over TCP with X-Lite?
Or has somebody another hint for me?
As far as I am aware there is no such thing as a fragmented UDP
packet; each packet is sent out on its own, there is no coherency
between UDP packets like there is with TCP packets.
I could be very wrong here, it's been a late night with the kids. :-)
Packet fragmentation is at the IP layer, so UDP will have fragmented
packets too. But... the OS should handle that and Asterisk shouldn't
find out - it's a all or none policy, so it should receive the whole
packet at once or nothing.
How I can setup Linux to handle UDP fragments?
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