Answer A Call; Single Incoming Call; Figure 38: Single Incoming Call - Audio - Grandstream Networks GXV3275 User Manual

Note:

The # will represent colon ":" in direct IP call rather than SEND key as in normal phone call;

Port number is not mandatory when making direct IP call;

Users need activate the first account on the GXV3275 to complete direct IP call;

If you have a SIP server configured, direct IP call still works. If the devices are behind NAT, users need
to configure NAT Traversal before using direct IP call. If you are using STUN, direct IP call will also use
STUN;

The phone needs to configure option "User Random Port" to "No" to accept direct IP calls;

In GXV3275 Contacts, if the phone number is IP address, direct IP call can be made by dialing this
contact.

Answer A Call

Single Incoming Call


When the phone is in idle and there is an incoming audio call, the phone will show the call screen as
below. Tap on "Answer" softkey to answer the call via speaker, or pick up the handset the answer the
call.

When the phone is in idle and there is an incoming video call, the phone will show the call screen as
below. To answer the call with audio only, tap on "Audio Answer" to answer the call via speaker, or pick
up the handset. To answer the call with both audio and video, tap on "Video Answer". During video call,
the audio will switch to handset if picking up the handset.
Note: Users could select the Video Display Mode on phone's Web UI -> Advanced Settings -> Video
Settings. Set the video display mode to "Original proportion", "Equal proportional cutting" or
"Proportional add black edge". If set to "Original proportion", the phone displays video in its original

Figure 38: Single Incoming Call - Audio

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