what are the differences between SIP and SCCP on 7965

Answered Question
Mar 13th, 2012

I have been tasked to find out what the differences with SIP and SCCP on 7965,7962,7942 phones.

Are there any, like iDevert doesnt work on SCCP?

Thanks

I have this problem too.
0 votes
Correct Answer by Rob Huffman about 2 years 1 month ago

Hi Neal,

Check these out

Feature Support by Protocol for the Cisco Unified IP Phone 7975G, 7971G-GE, 7970G, 7965G, and 7945G

http://www.cisco.com/en/US/docs/voice_ip_comm/cuipph/7975G_7971g-ge_7970g_7965g_7945g/8_6/english/admin_guide/7970dif.html

Feature Support by Protocol for Cisco Unified IP Phones 7962G, 7942G, 7961G, 7961G-GE, 7941G, and 7941G-GE

http://www.cisco.com/en/US/docs/voice_ip_comm/cuipph/7962g_7961g_7961g-ge_7942g_7941g_7941g-ge/8_6/english/admin_guide/62614241apxb.html

Cheers!

Rob

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Average Rating: 5 (2 ratings)
Paolo Bevilacqua Tue, 03/13/2012 - 09:51

You should look at documentation or the system and version you're using. In general, SCCP works better, has more features, and should be preferred.

Gordon Ross Thu, 03/15/2012 - 01:43

Paolo Bevilacqua wrote:

You should look at documentation or the system and version you're using. In general, SCCP works better, has more features, and should be preferred.

Hmm, beg to disagree here. (Sorry for being late to the party)

Back in the days of CUCM 5 & 6, I'd agree with you: SCCP was better than SIP. Nowadays, on CUCM 8, I'm only aware of one difference between SIP & SCCP: The SIP Image doesn't support the phone VPN feature.

Otherwise, I believe they're the same.

As to "works better": On my system, I've not noticed any difference in reliability between SIP & SCCP phones. They both "just work" - exactly what I want.

Longer term, I believe Cisco's direction is that SIP will eventually become the primary protocol for phones. Look at some of the newer phones coming out: SIP first, SCCP coming along later on - if at all.

GTG

Correct Answer
Rob Huffman Tue, 03/13/2012 - 09:59

Hi Neal,

Check these out

Feature Support by Protocol for the Cisco Unified IP Phone 7975G, 7971G-GE, 7970G, 7965G, and 7945G

http://www.cisco.com/en/US/docs/voice_ip_comm/cuipph/7975G_7971g-ge_7970g_7965g_7945g/8_6/english/admin_guide/7970dif.html

Feature Support by Protocol for Cisco Unified IP Phones 7962G, 7942G, 7961G, 7961G-GE, 7941G, and 7941G-GE

http://www.cisco.com/en/US/docs/voice_ip_comm/cuipph/7962g_7961g_7961g-ge_7942g_7941g_7941g-ge/8_6/english/admin_guide/62614241apxb.html

Cheers!

Rob

Steven DiStefano Tue, 03/13/2012 - 10:05

Thanks Rob (+5)!  

I was just looking for this today, but also interested in the older phones (7940 and 7960).  I am trying to understand what features would not work in the older phone sets already existing on site after an upgrade of CUCM to 8.6.

I tried to step backwards from this link to see the root, but didnt get far ;-)

Steve

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Posted March 13, 2012 at 9:49 AM
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Tags: sip, sccp, 7965, 7942, 7962, verses
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