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VoIP: Putting the same number on more than one phone

Number of views : 1
Article Number : KB0014334
Published on : 2019-01-22
Last modified : 2020-05-06 21:51:09
Knowledge Base : IT Public Self Help

 

Units may want important phone numbers to appear on more than one phone. It is possible for a customer to use such a line for outbound calls even as colleagues accept inbound calls to that same number on other phones. This feature requires Business Service.

 

Today, there are limitations to having the same number on multiple phones.

  • One instance of the line (i.e., one of the phones) needs to control treatment options for the busy or no-answer condition. Customers who change these options regularly (e.g., for lunch hour or after-hours) must be aware of this. Use of the phone’s “Do Not Disturb” feature is also affected by this limitation.
  • A call cannot be placed on hold at one phone and retrieved at another.

 

These shared lines can be provisioned in different ways, including Multiple Registrations and Multiple Call Appearances.

Multiple Registrations (MR) allows an end customer to make and receive calls on a shared line on their phone. This feature is applicable for any additional phone line on a phone set that has up to 10 total appearances (i.e. 10 users can have this number on their phone). All users in the group can pick up calls and make outbound calls, regardless of whether another person has the shared line in use.
 

Like multiple registration, Multiple Call Appearance (MCA) allows the end customer to make and receive calls on their shared line(s). This feature supports up to 19 shared appearances of a phone number (i.e. 19 users can have this number on their phone). All users in the group can pick up calls and make outbound calls, regardless of whether another person has the shared line in use. The Unit should determine who will be the primary holder of the shared line (i.e. determine the call treatments in no answer or busy scenarios). It’s important to note that other members of the group can impact the overall functionality of the shared line by setting their own call treatments, like Do Not Disturb. For instance, enabling Do Not Disturb on one line within the MCA could impact all calls coming into the shared line going to voice mail when unanswered. In this feature, the “alpha” or first appearance of the line is also the only one that would get a Message Waiting Indicator (MWI) when there’s a voice mail on the shared line.

Please note: This feature does not allow customers to put shared line call on hold on one phone and pick it up on another phone with the shared line on it. This interoperability is not yet available between Polycom phones and the new VoIP system.

 

 

 

 

 

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