Call Waiting for 6921 phones

[DanielGoQ_2]

Hello,

According to what I saw a few months ago, 6921, 6941, etc. phones would allow to have multiple calls per line so we could have call waiting feature like most of the other Cisco phones.

We have several 6921 phones with busy trigger set to 1 and we can't modify it as it is a system option.

We have CUCM BE 8.5 and firmware 9.2.2 for those phones, is there anything we can do to enable multiple calls per line?

Thanks a lot!

[Jaime Valencia · Accepted solution]

This appears to be possible on 8.6(1).

I don't have one to test but I created the device on my lab server running 8.6.1.10000-14 and I got the option to set the maximum number of calls.

It does have a note:

Note:The range to select the Max Number of calls is: 1-12

And so does the busy trigger:

(Less than or equal to Max. Calls)

But it's not greyed out as in previous versions.

HTH

java

If this helps, please rate

www.cisco.com/go/pdihelpdesk

[DanielGoQ_2]

Thanks a lot Java!

Just wondering... If there is a customer that does not have CUCM 8.6 but 8.5 and does not have the option to upgrade at this moment, is there any other option?

We know we can do the old workaround (create a second line on a different partition and css) but... is there any plan to include that feature on CUCM 8.5 applying a minor upgrade?

[DanielGoQ_2]

Java,

Do you know if we can also have multiple calls per line for 69XX on CME?

[Rob Huffman · Accepted solution]

Hi Daniel,

Here is the info for CME

Multiple Calls Per Line

Cisco Unified CME 9.0 provides support for the Multiple Calls Per Line (MCPL) feature on Cisco Unified 6921, 6941, 6945, and 6961 SIP IP phones and Cisco Unified 8941 and 8945 SCCP and SIP IP phones.

Before Cisco Unified CME 9.0, the maximum number of calls supported for every directory number (DN) on Cisco Unified 8941 and 8945 SCCP IP phones was restricted to two.

With Cisco Unified CME 9.0, the MCPL feature overcomes the limitation on the maximum number of calls per line.

In Cisco Unified CME 9.0, the MCPL feature is not supported on Cisco Unified 6921, 6941, 6945, and 6961 SCCP IP phones.

Cisco Unified 6921, 6941, 6945, 6961, 8941, and 8945 SIP IP Phones

In Cisco Unified CME 9.0, the default values for the busy-trigger-per-button command is 1 for the Cisco Unified 6921, 6941, 6945, and 6961 SIP IP phones and 2 for the Cisco Unified 8941 and 8945 SIP IP phones.

You can configure the maximum number of calls before a phone receives a busy tone. For example, if you configure busy-trigger-per-button 2 in voice register pool configuration mode for a Cisco Unified 6921, 6941, 6945, or 6961 SIP IP phone, the third incoming call to the phone receives a busy tone.

http://www.cisco.com/en/US/docs/voice_ip_comm/cucme/admin/configuration/guide/cmebasic.html#wp1240634

Cheers!

Rob

[DanielGoQ_2]

Thanks a lot Rob!!

I'll wait for CME 9 then!

Regards.

[Jason Aarons]

I'm running CME 9.1 with 6945s SCCP-9-1-1-0 and have the ephone for max-calls-per-button and can still make only 1 call. About to open a TAC case. Must be a bug.

ephone  12

no multicast-moh

description Ernie  - 6433

mac-address 8478.ACC6.FCFD

ephone-template 1

max-calls-per-button 4

busy-trigger-per-button 2

type 6945

button  1:12

[paolo bevilacqua]

jason.aarons@us.didata.com wrote:
I'm running CME 9.1 with 6945s SCCP-9-1-1-0 and have the ephone for max-calls-per-button and can still make only 1 call. About to open a TAC case. Must be a bug.
ephone  12
 no multicast-moh
 description Ernie  - 6433
 mac-address 8478.ACC6.FCFD
 ephone-template 1
 max-calls-per-button 4
 busy-trigger-per-button 2
 type 6945
 button  1:12

If you are referring to OUTBOUND calls on the same DN, it is not a bug, is cisco design. CME does not support the SCCP version that 69xx phones use for that. So you will have to use another button to make a 2nd call.

for INBOUND, iv'tested and it works fine, so you may need to update phone firmware.

The matter is discussed in other threads also.