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Configuring Basic Features

473

field.

6. (Optional.) Enter the string that will appear on the LCD screen in the Label field.

7. Enter the group call pickup code in the Value field.

8. Press the Save soft key to accept the change.

Dialog Info Call Pickup

Call pickup is implemented through SIP signals on some specific servers. When this feature is

enabled, IP phones support picking up incoming calls via the INVITE message which includes a

Replaces header in the message body. The value of Replaces is derived from a NOTIFY message

with dialog-info event. A user can pick up an incoming call by pressing the DSS key used to

monitor a specific extension (such as the BLF key). For more information on BLF, refer to Busy

Lamp Field (BLF) on page 568.

If the visual alert for blf pickup feature is enabled, a user can also pick up an incoming call by

pressing the DPickup soft key. For more information on visual alert for blf pickup, refer to Visual

Alert and Audio Alert for BLF Pickup on page 573.

It is not applicable to SIP-T19(P) E2 IP phones.

Note

Example of the dialog-info carried in NOTIFY message:

<?xml version="1.0"?>

<dialog-info xmlns="urn:ietf:params:xml:ns:dialog-info" version="6" state="partial"

entity="sip:1011@10.2.1.48:5060">

<dialog id="65603" call-id="0_1756536024@10.10.20.34" local-tag="3408640225" remote-tag="3779921438"

direction="recipient">

<state>early</state>

<local>

</local>

</remote>

</dialog>

</dialog-info>

Example of the Replaces carried in INVITE message:

Via: SIP/2.0/UDP 10.10.20.18:5060;branch=z9hG4bK2026058891

From: "1010" <sip:1010@10.2.1.48:5060>;tag=826048502

In this way, you do not need to configure the directed call pickup code.

Yealink SIP-T2 Series User Manual

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