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H323 Trunk

Jonn cos
Level 4
Level 4

Hi all experts.

Currently we are buying SIP trunk from a local ITSP. I am just asking this out of curiosity, why no one talks about buying H323 trunk from ITSP ? why is it only sip trunk ?

Is there any technical issues that ITSP are using SIP for providing trunks and not H323 ?

1 Accepted Solution

Accepted Solutions

testeven
Cisco Employee
Cisco Employee

Hi,

I guess most carriers use SIP withing their own network and SIP is a newer and easier protocol than H.323.

Besides, SIP is more flexible and SIP in general is more intelligent than H.323. You can review the comparison on the link below:

http://www.packetizer.com/ipmc/h323_vs_sip/

HTH,

Tere Stevens
-----
Cisco Systems
Unified Communications PDI Team
www.cisco.com/go/pdihelpdesk

Regards, Tere. If you find this post helpful, please rate! :)

View solution in original post

2 Replies 2

testeven
Cisco Employee
Cisco Employee

Hi,

I guess most carriers use SIP withing their own network and SIP is a newer and easier protocol than H.323.

Besides, SIP is more flexible and SIP in general is more intelligent than H.323. You can review the comparison on the link below:

http://www.packetizer.com/ipmc/h323_vs_sip/

HTH,

Tere Stevens
-----
Cisco Systems
Unified Communications PDI Team
www.cisco.com/go/pdihelpdesk

Regards, Tere. If you find this post helpful, please rate! :)

Thanks alot :-)

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