Ip phone firmware

Answered Question
Jun 1st, 2010

Dear expert. I have started my ccna voice, my question may be dumb but pls spare some time to write few lines to help me.

I am confused about the concept of Ip phone firmware

1) Does IP phone always comes with a firmware installed ?

2) IF not, how will IP phone work or talk to dhcp/tftp server ?

3) when do i need to upgrade the firmware of an IP phone ?

Thanks in advance

Correct Answer by Jaime Valencia about 6 years 8 months ago

I'd recommend you to read this to understand the boot process of a phone

Troubleshooting Cisco IP Phone Registration  Problems with Cisco CallManager 3.x and 4.x

http://www.cisco.com/en/US/partner/products/hw/phones/ps379/products_tech_note09186a008009485a.shtml

1) Does IP phone always comes with a firmware installed ?

Yes

3) when  do i need to upgrade the firmware of an IP phone ?

Bugs, new features, CUCM compatibility, stay on current version, etc.

HTH

java

If this helps, please rate

www.cisco.com/go/pdihelpdesk

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Correct Answer
Jaime Valencia Tue, 06/01/2010 - 12:40

I'd recommend you to read this to understand the boot process of a phone

Troubleshooting Cisco IP Phone Registration  Problems with Cisco CallManager 3.x and 4.x

http://www.cisco.com/en/US/partner/products/hw/phones/ps379/products_tech_note09186a008009485a.shtml

1) Does IP phone always comes with a firmware installed ?

Yes

3) when  do i need to upgrade the firmware of an IP phone ?

Bugs, new features, CUCM compatibility, stay on current version, etc.

HTH

java

If this helps, please rate

www.cisco.com/go/pdihelpdesk

Jonn cos Tue, 06/01/2010 - 13:10

Thanks alot Java. I have just posted another question, pls help me out there as well and all the

experts pls help me

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