![Grandstream Networks GXP280/285 Instruction Manual Download Page 6](http://html1.mh-extra.com/html/grandstream-networks/gxp280-285/gxp280-285_instruction-manual_2256011006.webp)
6
6. On the displayed Grandstream Device configuration Page, click
[
Account
].
Account Name: Enter
Unique ID
.
SIP Server: Enter
VoIP Server
.
Outbound Proxy: Enter
VoIP Server
.
SIP User ID: Enter
Unique ID
.
Authenticate ID. Enter
Unique ID
.
Authenticate Password: Enter
Password
.
Name: Enter
Unique ID
.
NAT Traversal (STUN): Select [
No, but send keep-alive
].
Voicemail User ID: Enter
999
.
Send DTMF: Check [
in-audio
] and [
via RTP (RFC 2833)
].
Preferred Vocoder: Select from [
Choice 1 ~ Choice 8
].
Click [
Update
] to save changes. Then, click [
Reboot
] to reboot the device and save new
configurations.