Configuring the Cisco SPA 502G to work w/ IED PBX

Configuring the Cisco SPA502G phone

 

The configuration is comprised of two parts- on-phone configuration, and browser-based configuration.

 

On-Phone

  1. Plug in the SW port on the phone and wait for it to power up.  Note that this phone requires PoE.
  2. Press the Configuration Button.  Refer to Figure 1.

 CiscoSPA502G.png

Figure 1 - SPA502  Phone

 

  1.  Use the Arrow Keys to select option 9 “Network”. Press “select”.
  2. Arrow down to select option 1: “WANConnection Type”. Press “edit”.
  3. Press “option” until “Static” is displayed. Press “ok”.
  4. Use the Arrow Keys to select “Non-DHCP IP Address”. Press “edit”
  5. Enter the static IP address for the phone. Use the star key for “.” When finished, select “ok”.
  6. Use the Arrow Keys to select “Non-DHCP Subnet Mask”. Press “edit”.
  7. Enter the netmask for the phone. Use the star key for “.” When finished, select “ok”.
  8. Press “save”.
  9. Use the Arrow Keys to select “CDP”. Press “edit”.
  10. Change the CDP setting to “No”
  11. Press “save”.
  12. Use the Arrow Keys to select option 12 “Reboot”. Press “select”. When asked to confirm, select “ok”.

 

Browser

Once the phone is rebooted, Open a browser to the IP address entered in Step 7 above.

  1. In the upper left corner, select “Admin Login”. After the screen refreshes, select “Advanced”.
  2. Select the “Voice” tab.  When the screen refreshes, select the SIP tab.  Change the RTP packet size to 0.020.
  3. Select the “Ext1” tab.
  4. Enter the following changes:

Setting

Value

Proxy

IP Address of PBX

Display Name

101

User ID

101

Password

101

Preferred Codec

G722

Use Pref Codec Only

Yes

Second Preferred Codec

G711u

DTMF Tx Method

Match to IED System. Choose “AVT” if IED SIP Services are set to “RFC2833”, or “INFO”.

 

  1. Press “Submit All Changes”  The phone will reboot.
  2. Verify that the phone registers in the PBX. PBX information is outside the scope of this document.
  3. Call another registered extension in the PBX to test audio, hangup and DTMF.