05-20-2010 09:44 AM - edited 03-15-2019 10:51 PM
Hello,
I know it is possible, but I was wondering what is the limit if I have an extension, let's say 3333 that is on multiple phones in position 1 on each phone, ie let's say 6 phones. If all phones are picked up and 6 differnet people using 3333 make external calls, will this work, what is the limit, and how do you set that? Is is global or line/phone/device base, etc.
Thanks
Gene
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05-20-2010 10:49 AM
Hi Gene,
No worries my friend
I would always assign something to Line 1. It doesn't have to be a DID number
just pick a new range that falls outside your current dial plan. This new range
can be used as "Phantom" numbers for setups like this or perhaps phones that
don't need to be reached from the outside world. If all your DID's are in the 3000 to 3599
range, then maybe you could use 44xx for "Phantom" numbers.
This really helps to identify the phones when troubleshooting etc. The users can report
via the Line 1 number and not have to reference the mac.
Cheers!
Rob
05-20-2010 10:04 AM
Hi Gene,
Yes this will work
You can play with the Max Calls setting (under the Directory Number config) for
each of the 6 phones with 3333 to ensure that it works the way you want. The
"best practice" for shared Lines is to NOT make them Line 1 on all the phones.
Shared Line Tips - with some nice examples
Do not configure shared-line appearances on the primary lines of the phones; for example, if two phones have a shared-line appearance, only one of the phones should have the primary line configured as shared (the other phone should have the secondary line configured as shared).
http://www.cisco.com/en/US/docs/voice_ip_comm/cucm/admin/7_1_2/ccmsys/a03dn.html#wp1100362
Cheers!
Rob
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05-20-2010 10:13 AM
Rob,
Thanks. Then is it safe to say that the number 3333 should be primary on one phone and second position on the others, even though on the others I do not assign a primary number (it is left blank). They are wanting to use the phones as simple dial in devices to a time and attendance system local to the Phone network.
Thanks
Gene
05-20-2010 10:49 AM
Hi Gene,
No worries my friend
I would always assign something to Line 1. It doesn't have to be a DID number
just pick a new range that falls outside your current dial plan. This new range
can be used as "Phantom" numbers for setups like this or perhaps phones that
don't need to be reached from the outside world. If all your DID's are in the 3000 to 3599
range, then maybe you could use 44xx for "Phantom" numbers.
This really helps to identify the phones when troubleshooting etc. The users can report
via the Line 1 number and not have to reference the mac.
Cheers!
Rob
05-20-2010 10:53 AM
Thank you!!!!!
Have a great day!!!!
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