Yealink T28 IP Phone

These instructions are based on Firmware Version 2.72.0.30. If your handset is less than this version please upgrade to ensure compatibility with our servers.

Under Account tab > Account 1 Register Tab

Line Active : Enabled

Display Name : caller id of this sip account for example 0731071900. This must be a 10 digit geographical number you own.

Register Name : Your Nehos SIP Username

Password : Your Nehos SIP Password

Enable Outbound Proxy Server : Disabled

Outbound Proxy Server : Blank

Transport : UDP

NAT: STUN

Stun Server : sip.nehos.com.au Port : 5060

SIP Server 1

Server Host : sip.nehos.com.au Port : 5060

Server Expires : 3600

Server Retry Counts : 3

Under Codec Tab

Audio Codecs Enabled should have PCMA as number 1

Under Advanced Tab

Keep Alive Type : Disabled

RPort : Enabled

DTMF Type : RFC2833

DTMF Payload Type(96~127) : 101

Subscribe for MWI : Disabled

Subscribe MWI To Voice Mail : Disabled

Voice Mail : 4000

Caller ID Source : FROM

Session Timer : Disabled

RTP Encryption(SRTP) : Disabled

PTime(ms) : 20ms

Shared Line : Disabled

Early Media : Disabled

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Base Firmware Version needs to be 77.81.0.20 or later To register an account via web user interface: (easiest way to find base IP address, take a registered handset press ok, info and