Gurus,
I currently have two separate asterisk networks running but am having
problems on one and not the other with identical configs (other than
transport, one if over the internet one is a managed network, ironically the
over the Internet pass thru is working).
I have both systems configured identical, the gateways and sipuras are
configured identical as well, outside of network parameters like IPs, etc.
On the network that passes over the Internet I dial from a fax machine
connected to the sipura unit , the call goes through the asterisk box, and
then to the gateway to the pstn. I had problems initially when using rfc2833
as my dtmf selection on the sipura to asterisk side with inband from
asterisk to tnt , the calls would get a fast busy if dialing from a fax, but
would work as voice calls.
I then changed everything to inband, and internal dtmf (sipura to asterisk)
would work and dtmf would work on external calls to the pstn, and fax would
pass. So i thought I had success.
I then configured the second system which goes over a managed backbone (to
be clear this problem is not a network issue, i just want to be clear on the
differences), the configs are identical but I get a fast busy when making a
fax call from the sipura through the asterisk unit, but if I make a voice
call on the same line it works.
The major thing I notice in the debugs is that it seems to be treating the
fax tones as dtmf digits and then says it cannot pass an f...........
I have put some info on the scenario below as well as the debugs. I have
changed #s and IPs to protect the innocent:) All help is truly appreciated.
Anyway, here is the scenario:
Fax machine ---> Sipura ----> IP Network ---> Asterisk ----> Lucent MAX TNT
with SIP ---> PSTN to FAX
Here is a sample user config on asterisk for the sipura unit:
(interchange a valid area code for 555)
[5554377199]
disallow=all
allow=ulaw
type=friend
username=5554377199
secret=XXXXX
host=dynamic
context=sipcalls
canreinvite=no
dtmfmode=inband
nat=1
And here is the sip.conf for the connection to the MAX:
[general]
port= 5060
bindaddr = 0.0.0.0
disallow=all
allow=ulaw
context = sipcalls
[XXXXsip]
context=XXXXusersincoming
type=friend
host=XXX.201.XXX.157
dtmfmode=inband
disallow=all
allow=ulaw
#include "/etc/asterisk/sipusers.conf"
-- Registered SIP '5554376785' at 55.214.555.146 port 50035 expires 3600
Mar 16 08:21:29 DEBUG[1125329600]: chan_sip.c:4220 check_user: Setting NAT
on RTP to -1
Mar 16 08:21:29 DEBUG[1125329600]: chan_sip.c:598 __sip_ack: Stopping
retransmission on '[EMAIL PROTECTED]' of Response 101: Found
Mar 16 08:21:29 DEBUG[1125329600]: chan_sip.c:4220 check_user: Setting NAT
on RTP to -1
Mar 16 08:21:29 DEBUG[1125329600]: chan_sip.c:5318 handle_request: Check for
res for 5554376785
Mar 16 08:21:29 DEBUG[1125329600]: chan_sip.c:1150 find_user: Call from user
'5554376785' is 1 out of 0
Mar 16 08:21:29 DEBUG[1125329600]: chan_sip.c:3596 build_route: build_route:
Contact hop: Warmington Villa Fax <sip:[EMAIL PROTECTED]:5060>
-- Executing Dial("SIP/5554376785-fffb", "SIP/[EMAIL PROTECTED]|200")
in new stack
Mar 16 08:21:29 DEBUG[1225991360]: chan_sip.c:818 create_addr: Setting NAT
on RTP to 0
Mar 16 08:21:29 DEBUG[1225991360]: chan_sip.c:1023 sip_call: Outgoing Call
for 15552468901
Mar 16 08:21:29 DEBUG[1225991360]: chan_sip.c:1122 find_user: 15552468901 is
not a local user
-- Called [EMAIL PROTECTED]
Mar 16 08:21:29 DEBUG[1125329600]: chan_sip.c:618 __sip_semi_ack:
(Provisional) Stopping retransmission (but retaining packet) on
'[EMAIL PROTECTED]' Request 102: Found
Mar 16 08:21:29 DEBUG[1125329600]: chan_sip.c:618 __sip_semi_ack:
(Provisional) Stopping retransmission (but retaining packet) on
'[EMAIL PROTECTED]' Request 102: Found
-- SIP/xxxsip-dc3a is making progress passing it to SIP/5554376785-fffb
Mar 16 08:21:29 DEBUG[1225991360]: rtp.c:1015 ast_rtp_write: Ooh, format
changed from UNKN to ULAW
Mar 16 08:21:29 DEBUG[1225991360]: rtp.c:389 ast_rtp_read: RTP NAT: Using
address 55.214.555.146:50121
Mar 16 08:21:29 DEBUG[1225991360]: rtp.c:1015 ast_rtp_write: Ooh, format
changed from UNKN to ULAW
Mar 16 08:21:29 DEBUG[1125329600]: chan_sip.c:618 __sip_semi_ack:
(Provisional) Stopping retransmission (but retaining packet) on
'[EMAIL PROTECTED]' Request 102: Found
-- SIP/xxxsip-dc3a is ringing
Mar 16 08:21:29 DEBUG[1225991360]: channel.c:1228 ast_indicate: Driver for
channel 'SIP/5554376785-fffb' does not support indication 3, emulating it
Mar 16 08:21:29 DEBUG[1225991360]: channel.c:1337 ast_prod: Prodding channel
'SIP/5554376785-fffb'
Mar 16 08:21:30 DEBUG[1125329600]: chan_sip.c:580 __sip_ack: Acked pending
invite 102
Mar 16 08:21:30 DEBUG[1125329600]: chan_sip.c:598 __sip_ack: Stopping
retransmission on '[EMAIL PROTECTED]' of
Request 102: Found
Mar 16 08:21:30 DEBUG[1125329600]: chan_sip.c:3596 build_route: build_route:
Contact hop: <sip:[EMAIL PROTECTED]:5060;user=phone>
-- SIP/xxxsip-dc3a answered SIP/5554376785-fffb
-- Attempting native bridge of SIP/5554376785-fffb and SIP/racesip-dc3a
Mar 16 08:21:30 DEBUG[1125329600]: chan_sip.c:598 __sip_ack: Stopping
retransmission on '[EMAIL PROTECTED]' of Response 102: Found
Mar 16 08:21:30 DEBUG[1225991360]: rtp.c:950 ast_rtp_raw_write: Difference
is 4016, ms is 522
Mar 16 08:21:30 DEBUG[1225991360]: rtp.c:950 ast_rtp_raw_write: Difference
is 4144, ms is 538
Mar 16 08:22:22 DEBUG[1225991360]: channel.c:2304 ast_channel_bridge: Didn't
get a frame from channel: SIP/5554376785-fffb
Mar 16 08:22:22 DEBUG[1225991360]: channel.c:2372 ast_channel_bridge: Bridge
stops bridging channels SIP/5554376785-fffb and SIP/xxxsip-dc3a
Mar 16 08:22:22 DEBUG[1225991360]: chan_sip.c:1226 sip_hangup:
find_user(15552468901) - decrement outUse counter
Mar 16 08:22:22 DEBUG[1225991360]: chan_sip.c:1122 find_user: 15552468901 is
not a local user
== Spawn extension (sipcalls, 15552468901, 1) exited non-zero on
'SIP/5554376785-fffb'
-- Executing Hangup("SIP/5554376785-fffb", "") in new stack
== Spawn extension (sipcalls, h, 1) exited non-zero on
'SIP/5554376785-fffb'
Mar 16 08:22:22 DEBUG[1225991360]: chan_sip.c:1229 sip_hangup:
find_user(5554376785) - decrement inUse counter
Mar 16 08:22:22 DEBUG[1125329600]: chan_sip.c:598 __sip_ack: Stopping
retransmission on '[EMAIL PROTECTED]' of
Request 103: Found
localhost*CLI>
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