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Administrator’s Guide for SIP-T2 /T3 /T4 /T5 /CP920 IP Phones

427

Permitted

Values

String within 32 characters

Default

Blank

Web UI

Account > Advanced > Group Call Pickup Code

[1]

X is the account ID. For T57W/T54W/T48U/T48S/T48G/T46U/T46S/T46G/T29G, X=1-16; for

T53W/T53/T43U/T42G/T42U/T42S, X=1-12; for T41P/T41S/T27G, X=1-6; for T33P/T33G, X=1-4; for

T40P/T40G/T23P/T23G, X=1-3; for T31P/T31G/T31/T21(P) E2, X=1-2; for T30P/T30/T19(P) E2/CP920, X=1.

Dialog Info Call Pickup

While some SIP servers implement directed call pickup using a directed call pickup code, others also support imple-

ment this feature through SIP signals.

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

If you enable the phone to implement directed call pickup through SIP signals, the phone picks up an incoming call

via a SIP INVITE message with a Replaces header. The value of Replaces is derived from a NOTIFY message with

the dialog-info event. This feature applies only to directed call pick-up attempts initiated against monitored BLF

resources. It means you can pick up an incoming call by pressing a BLF/BLF List key. It is not applicable to

T30P/T30/T19(P) E2/CP920 phones.

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-

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

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

g="3779921438" direction="recipient">

<state > early</state>

</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

To: <sip:1058@10.2.1.48:5060>

Call-ID: 0_572446084@10.10.20.18

Yealink SIP-T2 User Manual

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