Why does it show “NO IP” on the screen? If this is occurring on a Grandstream IP phone, users have the ability to deny calls that are not authenticated. The wallpaper resolution is the same as the color screen resolution. If all of the above are correct, there may be a problem with NAT traversal. FAQ Find answers to all your questions.
|License:||For Personal Use Only|
|iPhone 5, 5S resolutions||640×1136|
|iPhone 6, 6S resolutions||750×1334|
|iPhone 7, 7 Plus, 8, 8 Plus resolutions||1080×1920|
|Android Mobiles HD resolutions||360×640, 540×960, 720×1280|
|Android Mobiles Full HD resolutions||1080×1920|
|Mobiles HD resolutions||480×800, 768×1280|
|Mobiles QHD, iPhone X resolutions||1440×2560|
|HD resolutions||1280×720, 1366×768, 1600×900, 1920×1080, 2560×1440, Original|
Without specified, phone will assume it is HTTP. Additionally, check if the login information and the SIP server are correct.
The grandsfream bar on LCD screen is 32 pixel high. The wallpaper resolution is the same as the color screen resolution. If the login information is wrong, the SIP server will reject the registration request of the phone. Resources Firmwares, tools and documents.
Why am I receiving calls from unknown extensions and how do I prevent these calls from happening? If this is occurring on a Grandstream IP phone, users have the ability to deny calls that are not authenticated.
If this is occurring on your SIP Gateway, it is recommended that do not forward port on your router, but to use a unconventional SIP port.
How can I upgrade to a new firmware version? The original GA 1. The current Beta 1. How do I configure “eventlist BLF”? When rebooting, phone will look for wallpaper.
Users will need to create an XML file cfgxxxxxxxxxxxx. Why does it show “NO IP” on the screen? You could also upload wallpaper from local directory or USB root directory. Forums Get help from the community.
In cases where grandstreak receive phantom calls from random extensions that do not belong to your softswitch, may point to an automated scanner, which seek out gateways in attempt to make free calls as the owners expense. How to use start provision without rebooting?
FAQ Find answers to all your questions. You should make sure that the phone is connected to the network and the phone is able to obtain an IP address.
GXP// IP Phones | Grandstream Networks
There are 3 ways to load wallpaper file. If all of the above are correct, there may be a problem with NAT traversal. Put the firmware file downloaded from http: Whether it be a denial of service or an attempt to use your services without you even being notified.
You can connect your mobile phone to GXP phone via Bluetooth hands free mode. For grnadstream XML example configuration file, please refer to the gxp130 in this link.
Grandstream GXP IP Telephone – VoIP Supply
Helpdesk Submit and manage your tickets. Being that VoIP devices are running over an IP network, we find that these devices become more vulnerable to attacks. From Grandstream firmware server. No, mobile phone cannot act as Bluetooth headset role.