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Grandstream

Grandstream

Owned by Aaron Bailey
Feb 05, 2025
5 min read

GRP Headset compatibility: https://www.grandstream.com/hubfs/Product_Documentation/GRP26xx_headset_compatibility_list.pdf

The below overrides are largely unnecessary at this time due to the advance tab and these overrides being in the GUI. However we will leave them below should you encounter them on an older domain.

How to, Instructions, & Info

If multiple handsets are used, add the following to overrides

P4301="0" P4302="0" P4303="0" P4304="0" P4305="0" P4306="0" P4307="0" P4308="0" P4309="0"

If multiple handsets are used, add the following to overrides.

P7800="1" P7812="SSID" P7814="2" P7830="PASSWORD"

Enable Web GUI

Remove when complete

P1650="1" P2="password"

v2 gateways require a minimum 8 character password with digits, uppercase and lowercase letters

MWI Type

Switch to FSK/Low voltage (neon default)

P4371="1"

VLAN ID

Replace 10 with vlan ID

P51="10"

Transport

To switch to TCP

P130="1"

To switch to TLS

P130="2"

Hotline (off hook autodial)

Set to 0, but you can change the value as needed.

`Port 1-8 P4210="0" P4211="0" P4212="0" P4213="0" P4214="0" P4215="0" P4216="0" P4217="0"` `9-16 P4218="0" P4219="0" P4220="0" P4221="0" P4222="0" P4223="0" P4224="0" P4225="0"` `17-24 P4226="0" P4227="0" P4228="0" P4229="0" P4230="0" P4231="0" P4232="0" P4233="0"` `25-32 P4800="0" P4801="0" P4802="0" P4803="0" P4804="0" P4805="0" P4806="0" P4807="0"` `33-40 P21448="0" P21449="0" P21450="0" P21451="0" P21452="0" P21453="0" P21454="0" P21455="0"` `41-48 P21456="0" P21457="0" P21458="0" P21459="0" P21460="0" P21461="0" P21462="0" P21463="0"`

Loop Current Disconnect

To set loop current disconnect

P893="1"

Adjust the disconnect timer as needed (value is ms between 100 to 10000, default is 800 which seems to work well for elevators)

P857="800"

Then pick the parameter(s) below for the ports needed loop current disconnect enabled.

`1-8 P4150="1" P4151="1" P4152="1" P4153="1" P4154="1" P4155="1" P4156="1" P4157="1"` `9-16 P4158="1" P4159="1" P4160="1" P4161="1" P4162="1" P4163="1" P4164="1" P4165="1"` `17-24 P4166="1" P4167="1" P4168="1" P4169="1" P4170="1" P4171="1" P4172="1" P4173="1"` `25-32 P4174="1" P4175="1" P4176="1" P4177="1" P4178="1" P4179="1" P4246="1" P4247="1"` `33-40 P21256="1" P21257="1" P21258="1" P21259="1" P21260="1" P21261="1" P21262="1" P21263="1"` `41-48 P21264="1" P21265="1" P21266="1" P21267="1" P21268="1" P21269="1" P21270="1" P21271="1"`

Option 1

Option 2

  • Log into the phone/devices UI

  • Right click on the text box or input option and Inspect it

  • Search the code in the browser for the PVaule of that input option

Format: jpg

GRP series

2670: 1024x600

2650: 1280x720

2634: 320x240

2624: 320x240

2616: 480x272

2615: 480x272

2614: 320x240

2613: 320x240

2612: 320x240

GXP series

2170: 480x272

2160: 480x272

2140: 480x272

2135: 320x240

2130: 320x240

Misc

GAC2500: 800x480

DP730: 240x320

DP722: 128x160

DP720: 128x160

  1. Navigate to Maintenance -> Firmware Upgrade

  2. Set Upgrade via, to HTTP

  3. Add the appropriate link to the Firmware Server Path Field (Found under firmware.grandstream.com)

  4. Select No, next to Allow DHCP Options 43, 66, and 160 to Override Server

  5. Save and Apply

  6. Navigate to Status -> System

  7. Click on Check for New Firmware

  8. Once the upgrade is complete, navigate to Status -> DECT Base Status and verify the handsets are upgrading and queued for upgrading

  1. Log into each phone. Do not update more than 3 at a time.

  2. Navigate to the Maintenance page

  3. Go to Upgrade and Provisioning

  4. Add the appropriate link to the firmware server field.

  5. Save and Apply

Grandstream Firmware Page

IMPORTANT UPGRADING NOTES:

  • If the GXP21xx phone is on firmware 1.0.6.x or lower versions, please upgrade to 1.0.7.97 first.

The HTTP upgrading path for firmware 1.0.7.97 is: firmware.grandstream.com/gxp21xx/1_0_7_97

  • If the GXP21xx phone is on firmware 1.0.7.x, please upgrade to 1.0.8.x first, and then upgrade to 1.0.9.x.

The HTTP upgrading path for firmware 1.0.8.56 is: firmware.grandstream.com/gxp21xx/1_0_8_56

The HTTP upgrading path for firmware 1.0.9.135 is: firmware.grandstream.com/gxp21xx/1_0_9_135

The HTTP upgrading path for firmware 1.0.11.57 is: firmware.grandstream.com/gxp21xx/1_0_11_57

  1. Build out the extension in ConnectWare with the correct model, using 1 line.

  2. Log Into the GAC2500

  3. Navigate to Maintenance¹ → Upgrade²

  4. Enable Expert Mode³ in the top right corner.

  5. Check Always send HTTP Basic Authentication Information⁴.

  6. Uncheck Use Grandstream GAPS⁵

  7. Choose HTTP⁶ next to Config File Upgrade via

  8. Insert the Path⁷, Username⁸, and Password⁹

  9. Save and Reboot the Phone

The GHP610W/GHP611W is preconfigured to connect to a default SSID named “wp_master ” with password (WPA/WPA2 PSK) “wp!987@dmin ”. Users can also modify these settings from the phone’s web UI.

  1. Ensure your phone is powered up and connected to the Internet.

  2. Locate the MAC address on the bottom of the device or on the package.

  3. From a computer connected to the same network as the GHP61X, type in the following address using the GHP61X’s MAC address on your browser: https://.local Example: https://c074adffffff.local Note: The user can also dial **47# and the current IP address will be announced by the IVR.

  4. Enter the admin username and password to access the configuration menu. (The factory default username is “admin” and the default random password can be found on the sticker at the back of the unit).

  1. Set Static IPs or DHCP reservations on the GRP phones receiving the call and GDS doorphone

  2. Add the following overrides to the GRP phones:

P277="0" P78="0"

Important P-Values

XML Site/Department Directory

Grandstream Department P331="horizon.connectware.cloud/api/phonebook/grandstream/department/" P330="3" Grandstream Site P331="horizon.connectware.cloud/api/phonebook/grandstream/site/" P330="3"

Enable Web GUI and Set Password

P1650="1" P2="password"

Sample Firmware Upgrade via Connectware (already set as default)

#Account 1 Codecs # 0 - PCMU, 2 - G.726-32, 4 - G.723.1, 8 - PCMA, 9 - G.722, 18 - G.729A/B, 98 - iLBC, 123 - OPUS P57="18" P58="18" P59="18" P60="18" P61="18" P62="18" P46="18" P98="18"

Update GRP261X to the G729 Codec

#P8640 silent call 35, 0 for speed dial, -1 to disable P8640="35" P8643="dial number"

Headset Settings

P1312="1" # HEADSET Key Mode. 0 - Default Mode, 1 - Toggle Headset/Speaker. Default is 0 P1487="1" # Headset Type. 0 - Normal, 1 - Plantronics EHS. Default is 0 P6779="1" # EHS Headset Ringtone. 0 - Normal, 1 - Plantronics EHS. Default is 0 P1439="1" # Always Ring Speaker. 0 - No, 1 - Yes, both, 2 - Yes, speaker only. Default is 0

Static IP Settings

#Set Static P8="1" #IPv4 Address P9="172" P10="17" p11="98" p12="100" #This will be different per phone so it will need to go to the phone level override. #Subnet Mask P13="255" P14="255" P15="255" P16="0" #Gateway P17="172" P18="17" P19="98" P20="1" #DNS 1 P21="8" P22="8" P23="8" P24="8" #DNS 2 P25="4" P26="2" P27="2" P28="1" #Pref DNS P92="8" P93="8" P94="8" P95="8"

Multi-Zone Paging

Step 1: When setting a multi-zone page, the Grandstream Desk phones must have 2 DTMF settings added. “In-Audio” and “via RTP (RFC2833).”

# Send DTMF: In-audio. 0 - No, 1 - Yes. Default is 0 # Number: 0, 1 # Mandatory P2301="1" # Send DTMF: Via RTP (RFC2833). 0 - No, 1 - Yes. Default is 1 # Number: 0, 1 # Mandatory P2302="1"

Step 2: In the Grandstream HT802 you must make In-Audio as the primary DTMF method and Disable the DTMF negotiation.

# Preferred DTMF method. # 100 - In-audio, 101 - RFC2833, 102 - SIP INFO # Priority 1 # Number: 100, 101, 102 # Mandatory P860="100" # Priority 2 # Number: 100, 101, 102 # Mandatory P861="100" # Priority 3 # Number: 100, 101, 102 # Mandatory P862="100" # Disable DTMF Negotiation. 0 - No, 1 - Yes # Number: 0, 1 # Mandatory P4826="0"

 

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