28 VoIPNetworkServicesGmbH,Justus‐von‐Liebig‐Str.26,31535Neustadt
Silence Supp If or not enable silence
Echo Cancel If or not enable echo cancel, default is enable
Auto Gain Control If or not enable auto gain.
T.38 Enable If or not enable T.38
T.38 Redundancy If or not enable T.38 Redundancy
T.38 CNG Detect Enable If or not enable T.38 CNG Detect
gmd attribute Enable If or not enable gmd attribute.
3) Supplementary Service Subscription
Field Name Description
Call Waiting If or not enable Call Waiting
Hot Line Fill in the hotline number. Pickup handset or press
handsfree/headset button, the device will dial out the hotline
number automatically.
MWI Enable If or not enable MWI (message waiting indicate). If the user needs
to user voice mail, please enable this feature.
Voice Mailbox Numbers Fill in the voice mailbox phone number, Asterisk platform, for
example, its default voice mail is *97
VMWI Serv If or not enable VMWI service.
DND If or not enable DND (do not disturb). If enable, any phone call
cannot arrive at the device; default is disable.
Speed Dial Enter the speed dial phone numbers.
Dial *74 to active speed dial function.
Then press the speed dial numbers, for example, press 2, phone
will dial 075526099365 directly.
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