Make sure that udp packets can get from the server back to the grandstream.



At 12:40 14/01/04, you wrote:
hi,

I have the following configuration:

Grandstream --> NAT (Netgear RP614)-->Internet-->Asterisk(public IP)

i can register fine and call ringing is working as good. The problem is =
 i cant hear audio both ways and i get this error:

WARNING[22544]: File rtp.c, Line 375 (ast_rtp_read): RTP Read error:
 Resource temporarily unavailable

my sip.conf file is as follows:

[general]
 port =3D 5060                     ; Port to bind to
 bindaddr =3D 0.0.0.0              ; Address to bind to
 ;externip =3D 200.201.202.203     ; Address that we're going to put in =
 SIP
 messages if we're behind a NAT
 tos=3Dlowdelay
 disallow=3Dall                    ; Disallow all codecs
 allow=3Dulaw                      ; Allow codecs in order of preference

dtmfmode=3Dinfo

[grandstream1]
 type=3Dfriend
 host=3Ddynamic
 secret=3Dmysecret
 context=3Doutgoing
 nat=3Dyes
 reinvite=3Dno
 canreinvite=3Dno
 qualify=3D2000

has anyone done this before?

chandra


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