[cisco-voip] sip authentication

[samaneh ebrahimi]

Hi.
I want config authentication between 2 routers (config 1) or router and
Free PBX (config 2) .
config 1 is show following :


*router's config*

voice service voip
 allow-connection sip to sip
!
dial-peer voice 1 voip
decryption connection between two routers
destination-pattern 1.+
session target ipv4:y.y.y.y
session protocol sipv2
codec g711alaw
!
sip-ua
registrar ipv4:y.y.y.y
authentication username test password test1

both routers have this config and config2 is :

PBX:

[trunk55]
type=peer
host=X.x.x.x (router ip)
secret=test1
username=test
qualify=yes
context=from-trunk
disallow=all
allow=alaw
directmedia=yes

by this config i have connected calls and by omit authentication from one
site , i have calls too.
i think this is solution for sip trunk authentication (without have ipsec
tunnel for encrypt rtp packets. ).
please help me.
thanks a lot.
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