It is under Accounts X🡪Network Settings. The default setting is “No”. Enable the device to use NAT traversal when it is
behind a firewall on a private network. Select Keep-Alive, Auto, STUN (with STUN server path configured too), or other options
according to the network setting.
BLUETOOTH
Bluetooth is a proprietary, open wireless technology standard for exchanging data over short distances from fixed and mobile
devices, creating personal area networks with high levels of security. GRP2614/GRP2615, GRP2616, GRP2624, GRP2634,
GRP2670 & GRP2650 support Bluetooth. On the phone, users could connect to cell phones (supporting Bluetooth) via hands-
free mode or use a Bluetooth headset for making calls.
To connect to a Bluetooth device, turn on the phone’s Bluetooth radio first. The first time when using a new Bluetooth device
with the GRP2614/GRP2615, GRP2616, GRP2624, GRP2634, GRP2670 & GRP2650 “pair” the device with the phone so that
both devices know how to connect securely to each other. After that, users could simply connect to a paired device. Turn off
Bluetooth if it’s not used.
Bluetooth-related settings are under the phone’s LCD Menu🡪System🡪Bluetooth.
For more details on Bluetooth features, please refer to:
Using Bluetooth on GRP phones – Documentation Center (grandstream.com)
PACKET CAPTURE
GRP261x/GRP2624/GRP263x/GRP2670/GRP2650 is embedded with a packet capture function. The related options are under
Maintenance🡪Packet Capture.
Figure 5: Packet Capture in Idle
Users can also define whether RTP packets will be captured or not from With RTP Packets option.
When the capture configuration is set, press the Start button to start packet capture. The Status will become RUNNING while
capturing, as shown in Figure 6: Packet Capture when running. Press the Stop button to end capture.
Press the Download button to download the capture file to your local PC. The capture file is in .pcap format.
Information:
Bluetoot is available on GRP2614/GRP2615, GRP2616, GRP2624, GRP2634, GRP2670 & GRP2650 only
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