Infinity 5008 Sip


The Infinity 5008 Xstim IP Phone supports 8 SIP accounts, has 28 programmable buttons and is a feature rich and affordable IP phone for small and medium businesses.​ Programmable buttons can be configured with UCx features like BLF, Auto-Dial, Intercom, Call Pickup, and many other features. ​

The 5008 features a high-resolution 2.8’’ 320x240 pixel color screen with backlight TFT-LCD display and HD quality audio.​ LED for call, message waiting indication, mute, handsfree and headset.

Packing List

  • 5008 Phone
  • Phone stand / Wall mount
  • Handset and handset cord
  • Ethernet cable
  • Quick reference guide


Attach the phone stand

If installing the phone on the wall, then the phone stand becomes the wall mount and should be installed on the wall first.

Connect the Handset and optional Headset


Connect to the network and power

The Infinity 5004 phone is PoE enabled. The power adapter is extra and not included.



STEP ONE: Configure Extension on the UCx Server

  1. Login to the UCx Web-based Configuration Utility
  2. Navigate to PBX PBX Configuration - Extensions page
  3. Add an Extension for a Generic SIP Device with the following basic parameters:
    • User Extension (e.g. 511)
    • Display Name
    • secret
  4. Click on Submit to create the extension
  5. Press the Apply Config bar at the top

STEP TWO: Obtain IP address of the 5008 phone

Connect the phone to a network that is setup for DHCP.  After initialization is complete, perform the following steps to obtain the IP address assigned to the phone:

  • From the phone, press the Menu key
  • Use the arrow keys to navigate to Status then select it
  • Select Information
  • Take note of the IPV4 address (IP address of the phone)

STEP THREE: Configure Account on the 5008 phone

From a browser, enter the IP address of the 5008 phone (obtained from STEP TWO).
Login to the web interface using the admin account (default values are username admin and password admin).
Perform the following steps to register an account:

  1. Navigate to the Profile - Basic page.
  2. Enter the IP address of the UCx Server in the Primary SIP Server field, e.g.
    If the server is NOT using the default port number 5060, then append the port number to the server address, e.g.
  3. Verify the SIP Transport is UDP.
  4. Click on the SaveSet button at the bottom of the page.
  5. Navigate to the Account - Basic page.
  6. Populate the following fields:
    • Label - A name for the account
    • SIP User ID - User Extension (from STEP ONE)
    • Authenticate ID - User Extension (from STEP ONE)
    • Authenticate Password - Secret (from STEP ONE)
    • Name - Display Name (from STEP ONE)
  7. Enter *97 in the Voice Mail UserID field. This will allow the phone to access the user's voicemail box by pressing the Message Waiting key.
  8. Enter ** in the Direct Call Pickup Code field to allow call pickup using the BLF key.
  9. Click on the SaveSet button at the bottom of the page.
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ip phone
sip phone