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Beginner

uc540 sip trunk issue

hi

we are working on a uc540 at the office, and we are trying to configure a sip trunk on the wan port.

first question : do we need to configure the wan port with the ip address the sip provider gave us? or an address on the same network ?

2nd question : where are we suposed to use the default gateway of our sip trunk router?

exemple : my sip trunk provider gave me the address 172.28.24.57      255.255.255.248   

do i need to configure the wan port where my sip trunk is connected to it with the this address?

do i need to do something on my voice vlan?

i am currently able to receive call but when i pick it up, the call end

and if i try to dial out, i get a busy tone

thx

4 REPLIES 4
Beginner

Re: uc540 sip trunk issue

You would have a wan address your provider wan and your internal network

Data and VoIP could be two separate networks..

Example 192.168.1,0 for data

192.168.2.0 voice

The outbound is failing because you don't have any dial- peers pointing to your provider

For example

Dial-peer voice 1 VoIP

Destination-partners 9T

Session target ipv4: op address of sip provider

Is your sip provider just dial tone or Internet as well.

If there providing Internet you need to configure nat...

Hope is gives you a right direction

Sent from Cisco Technical Support iPad App

Beginner

Re: uc540 sip trunk issue

my sip provider is just dial tone, no internet access

Highlighted
Beginner

Re: uc540 sip trunk issue

ok its all fixed, thx

Beginner

uc540 sip trunk issue

can you post what was doen to fix it?