Im sure this has been thrown around this list 1,000 times, and Im sure its been
around the net too.. But I have done everything, and cannot seem to get inward
calls to be processed on my asterisk box..
First, Let me tell you what works:
1) Softphones (ZoIPer using IAX2 Protocol) Can make calls behind a Natted
Firewall to the FXS Port, and it rings, and calls work full duplex.
2) Soyo IP Phone (Loaded with IAX2 Firmware) Can make calls on the same subnet
as the asterisk server, and can talk full duplex to the FXS Port.
3) I can call other FXS Ports on the same Switch.
---- Hardware ----
Cisco 3725 w/ Two FXO and Two FXS
Config:
voice-port 2/1/0
mwi
description FXS Port 0
station-id name fxs_2_1_0
station-id number 1000
!
voice-port 2/1/1
mwi
description FXS Port 1
station-id name fxs_2_1_1
station-id number 1001
!
!
!
!
!
dial-peer voice 1000 pots
description Binds to FXS Port 2/1/0
destination-pattern 1000
port 2/1/0
authentication username 1000 password <password>
!
dial-peer voice 1001 pots
description Binds to FXS Port 2/1/1
destination-pattern 1001
port 2/1/1
authentication username 1001 password <password>
!
dial-peer voice 200 voip
destination-pattern .T
progress_ind progress enable 8
session protocol sipv2
session target ipv4:<ip of asterisk server>:5060
session transport udp
codec g711ulaw
sip-ua
retry invite 3
retry response 3
retry bye 3
retry cancel 3
timers trying 1000
registrar ipv4:<ip of asterisk server> expires 60
sip-server ipv4:<ip of asterisk server>:5060
notify telephone-event max-duration 500
---- Asterisk Info -----
sip.conf
[1000]
username=1000
type=friend
secret=<password>
qualify=yes
nat=no
insecure=very
Host=dynamic
dTMFMode=rfc2833
auth=md5,plaintext
allow=ulaw
[1001]
username=1001
type=friend
secret=<password>
qualify=yes
nat=no
insecure=very
Host=dynamic
auth=md5,plaintext
allow=ulaw
---
The cisco box does register.
Dialing anything on the fxs port results in "Fast Busy" with no
warnings/errors showing up console.
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