Phone Setting; Preference - ATCOM AT840 User Manual

AT840 Series User Manual
G722/G723/G726-16/G726-24/G726-32/G726-40/Lin16-16)
However, the actual codec used in a call still depends on the outcome of the codec negotiation
protocol.
User Prefer Codec Only: Only use the preferred codec for all calls. The call will fail if the far

end does not support this codec.
DTMF Tx Method: select the method to transmit DTMF signals to the far end: Inband, rfc2833,

INFO. Defaults to RFC2833.
Call Feature Setting

Message Waiting: whether to prompt if there is a voicemail.

Voice Mail Number: if you set voicemail number, then you can just press the voicemail key to

auto dial voicemail number then enter voicemail box.
Pickup Service Code: set Pickup Service Code according to the service settings.
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UDP Keep Alive Enable: Enabel UDP keep alive, to detect if the server is still available.
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UDP Keep Alive Intvl: Set expire time of the keep alive UDP.
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Default Ring: which ring to select for this account.

SRTP: Secure Real Time Protocol. Enable the phone to encrypt the RTP packets.

Dial Plan

Dial Plan: Configure dial rule for this sip account, please refer to


5) Phone Setting

5.1. Preference

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dial
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plan.
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