cancel
Showing results for 
Search instead for 
Did you mean: 
cancel
Announcements

1240
Views
5
Helpful
6
Replies

IP PHONE BOOTING PROCESS

HI,

Below IP phone booting process is same for all IP phone or only for Cisco IP Phone....

 

 

IP Phone Startup Process

Click the image for a larger view

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Thanks in Advance.

Rg,

KSB

2 ACCEPTED SOLUTIONS

Accepted Solutions
Vivek Batra
Engager

1. True for all IP Phones except other phones will use standard PoE IEEE 802.af to get power from switch.

2. With respect to loading firmware, true for all standard IP Phones.

3. Since Cisco switches use propriety CDP protocol, other standard phones need to configure manually with Voice VLAN information or may be vendor specific.

4. With respect to getting information through DHCP, true for all standard phones.

5. Auto-configuration protcol may vary from vendor to vendor, may use TFTP, HTTP/HTTPS, FTP etc.

6. True for all standard phones then to register with their respective call manager.

View solution in original post

Terry Cheema
Advocate

The above process is specifically for Cisco phones. For other IP phones depending on the vendor the process  on a high level is similar but not same. Cisco phones use CDP non-cisco phones will use LLDP. Cisco phones use use tftp option 150 non-cisco phones will need a different option (for example 60 for Avaya i think).

-Terry

View solution in original post

6 REPLIES 6
Vivek Batra
Engager

1. True for all IP Phones except other phones will use standard PoE IEEE 802.af to get power from switch.

2. With respect to loading firmware, true for all standard IP Phones.

3. Since Cisco switches use propriety CDP protocol, other standard phones need to configure manually with Voice VLAN information or may be vendor specific.

4. With respect to getting information through DHCP, true for all standard phones.

5. Auto-configuration protcol may vary from vendor to vendor, may use TFTP, HTTP/HTTPS, FTP etc.

6. True for all standard phones then to register with their respective call manager.

View solution in original post

Check below videos

https://supportforums.cisco.com/blog/12088286/troubleshooting-ip-phone-registration-cucm

HTH,

Regards,

Mohammed Noor

 

HI,

 

As per you explanations, Except VLAN Discovery and Configuration server (Firmware) all are same..

i've googled for the same and found that, for Polycom devices are using Opt 160 (Primary) and Opt 66(Secondary) to get a configuration files from TFTP/FTP.

 

Thank you so much for your replies...

 

Rg,

KSB

 

Terry Cheema
Advocate

The above process is specifically for Cisco phones. For other IP phones depending on the vendor the process  on a high level is similar but not same. Cisco phones use CDP non-cisco phones will use LLDP. Cisco phones use use tftp option 150 non-cisco phones will need a different option (for example 60 for Avaya i think).

-Terry

View solution in original post

Gordon Ross
Engager

Small addition to the other posts: Many Cisco phones support both CDP & LLDP-MED for obtaining their voice VLAN.

 

I believe some non-Cisco switch vendors support some limited version of CDP too.

 

GTG

Please rate all helpful posts.

Hi Gordan,

 

Yes... Polycom devices also support,  CDP.

 

Rg,

KSB

Content for Community-Ad