Tandem Ringing - NEC UNIVERGE SV8100 Features & Specifications Manual

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Tandem Ringing allows an extension user to have two telephones with one telephone

number. For example, extension 205 (the master telephone) sets Tandem Ringing with

extension 206. When extension 205 receives an incoming call, both extensions 205 and 206

ring. Callers would dial the master extension number (extension 205 in this example). When

either the master telephone or slave telephone is in use, the other telephone cannot be used

for outgoing calls or incoming calls.

The multiline terminal must be paired with a single line telephone. It cannot be paired with

another multiline terminal or a SIP terminal.

A single line telephone must be paired with another single line telephone. It cannot be paired

with a multiline telephone or a SIP terminal.

The slave telephone cannot call the master telephone.

Extension numbers up to eight digits can be registered on the Tandem Ringing

key. Extension numbers over nine digits cannot be registered.

If Tandem Ringing is enabled, and one of the extensions is busy, no additional

calls can be received or placed from either telephone.

Tandem Ringing can support up to 128 pairs of Tandem Ringing extensions.

The extension user which enables Tandem Ringing is the master, while the

slave telephone is the extension entered by the user while setting up the

A slave telephone ignores the settings for DND and follows the master

telephone settings instead.

Voice Call is not supported on a multiline terminal with Tandem Ringing.

Calls placed on Hold while Tandem Ringing is active, immediately recall if the

handset is placed On-hook.

When an extension leaves a Message Waiting for a Tandem Ringing extension,

both extensions indicate the message until one of the extensions returns the

A slave telephone ignores the settings for Ring Groups and follows the master

Tandem Ringing

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