Maximum line number on device phone?

[samhopealpha]

Hi Everybody,

I'm using CUCM8.6

what is the maximum line number that I can assign to an IP Phone 7970 + Two 7916 ?

is it 8 + 24 + 24 = 56?

Because I can't find the cisco document to support that?

Thanks in advance

Sam

[paolo bevilacqua]

Yes..

[Rob Huffman · Accepted solution]

Hi Sam,

I just wanted to add that I don't believe the 7916's are actually

supported with 7970's Here are the Line/support charts as well.

Table 5. Cisco Unified IP Phone Expansion Module 7916 Button Support (SCCP)

Call-Control Release	Total Number of Buttons Supported
	Cisco Unified IP Phone 7962G and 7965G Models	Cisco Unified IP Phone 7975G
Cisco Unified Communications Manager 4.2(3)SR3a, 4.3(2), 5.1(3)b, and 6.1(1)	42	42
Cisco Unified Communications Manager 7.1(3) / Cisco IP Phone Firmware 8.5(3) and later	54	56
Cisco Unified Communications Manager Express 4.3/7.0 and later	54	56

Table 6. Cisco Unified IP Phone Expansion Module 7916 Button Support (SIP)

Call-Control Release	Total Number of Buttons Supported
	Cisco Unified IP Phone 7962G and 7965G Models	Cisco Unified IP Phone 7975G
Cisco Unified Communications Manager 7.0 and 7.1	36	36
Cisco Unified Communications Manager 7.1(3) / Cisco IP Phone Firmware 8.5(3) and later	54	56
Cisco Unified Communications Manager Express 4.3/7.0 and later	54	56

Hardware Requirements

• Cisco Unified IP Phone 7962G, 7965G, and 7975G models

• Cisco Unified IP Phone Expansion Module 7916 (CP-7916=)

http://www.cisco.com/en/US/prod/collateral/voicesw/ps6788/phones/ps379/data_sheet_c78-468673.html

Cheers!

Rob

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