SIP Telephon Provider

janthedoc81's picture

Hello,

how many sip internet telephone provider could i use with uc500?

Next week i want to install our new 520, we use sipgate for german calls and voiphone for english calls with an asterisk pbx at the moment.

Thanks for your help.

regards,

Jan

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maushah's picture

SIP Telephon Provider

Check the below FAQ - think it answers what oyu are after:

http://supportwiki.cisco.com/wiki/index.php/SBCS:SIP/H.323_trunks_-_Cisc...

By the way, have heard that SIPGate does things that are not strictly RFC compliant such as ask SIP UAs to route on the To Header in SIP INVITE instead of the Request URI. The UC500 does not support routing on the TO header, only on Request URI per the RFC. Maybe something to check on as well.

nkladakisc's picture

you can use only one

you can use only one unfortunately
but if you use asterisk in-between you can have as many as you want
I have all ready do that :-)

janthedoc81's picture

Thank you, for your quick

Thank you, for your quick answer... :)

I can only use one provider, but how many numbers can i use?

In the config of my asterisk i have for every number antoher SIP ID, by sipgate.

And sipgate knows, if you connect with SIP IP 848474, that your telephone number is...

When i look in the conf of the uc i saw only one user and password, how could it work with more telephone numerbs.

nkladakisc's picture

You to ask your provider if

You to ask your provider if support multiple numbers on sip trunk. with sip trunking you can have multiple numbers with one user - pass
So far all not "business oriented" providers they need to have separate accounts (aka sip-uas) to have access to multiple numbers.
I sagest the asterisk in-between route or you keep hitting on walls

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