How to configure the CUCME 8.6 and SIP registration (for SPA303 IP phone)

[Lukas Krejci]

Hello,

I have a problem with configuring the CUCME 8.6 (Cisco 2911/K9) with the SPA303 IP phone.

In our company, we have several IP phones (CP-6921), which are configured and registered via SCCP and everything work perfectly. However, we have several other IP phones (SPA303), which don't support SCCP. So instead, I need to configure them as SIP phones. I am new to this, so I have searched and found this document:

http://www.cisco.com/en/US/prod/collateral/voicesw/ps6788/vcallcon/ps4625/spa_polycom_application.pdf

So I have configured CUCME and the SPA303 phone according to this document, but the line on the phone is signaling, that the registration has failed. Here is part of the running config from CUCME:

voice service voip

allow-connections h323 to h323

allow-connections h323 to sip

allow-connections sip to h323

allow-connections sip to sip

no supplementary-service sip moved-temporarily

no supplementary-service sip refer

no supplementary-service sip handle-replaces

fax protocol t38 version 0 ls-redundancy 0 hs-redundancy 0 fallback none

sip

  bind control source-interface GigabitEthernet0/1

  bind media source-interface GigabitEthernet0/1

  registrar server expires max 600 min 60

!

voice class codec 1

codec preference 1 g711alaw

codec preference 2 g711ulaw

!

!

voice register global

mode cme

source-address 192.168.20.1 port 5060

max-dn 100

max-pool 50

tftp-path flash:

create profile sync 0048234055148343

!

voice register dn  8

number 21

name Spravce

shared-line

huntstop

label Kancelare

!

voice register pool  1

id mac 3CCE.73D2.BF6A

number 1 dn 8

dtmf-relay sip-notify

username user21 password user21

codec g711ulaw

!

I am  very grateful for any help

Message was edited by: Lukas Krejci There is might be another problem - I was not able to load the flash for SPA303 in CUCME. I donwloaded the right file and when trying to upload and configure it through the wizard in Cisco CP, there was always an error about the unknown type of phone.

[Leo Salcie Tejeda]

Hi,

Try this:

Configuring CUCME.

All in all this is a painless process.  First, configure the voice services:

voice service voip
  allow-connections sip to sip  !Allows SIP phones to call other SIP phones
  sip
    registrar server expires max 1200 min 300 !Enable IOS SIP Registrar

Next, we will configure the voice register configuration stanza.  The "voice register global" configuration is similar to the telephony-service configurations used for SCCP phones.

voice register global
  mode cme
  source-address 10.3.5.2 port 5060
  max-dn 10  !Configure the maximum number of SIP extensions
  max-pool 5 !Configure the maximum number of SIP phones
  authenticate register
  authenticate realm netcraftsmen.net !Doesn't impact X-Lite whether it is applied or not
  tftp-path flash:  !Not necessary to get X-Lite to register, but useful for Cisco SIP phones
  create profile  !Generates configuration files for phones

Now we create the directory number for the X-Lite station and the phone registration information.

voice register dn 1
  number 51234
  allow watch  !If you are doing any Presence-like things
  name xlitetest
  label 51234
!
voice register pool 1
  id mac DEAD.BEEF.0001  !Just as with CUCM, this field is arbitrary and not used by X-Lite
  number 1 dn 1  !  Of course you need a phone number to use a phone, but X-Lite also needs a user ID
  dtmf-relay sip-notify  ! You have choices here, use sip-notify if you also have CUE for VM
  username bbellsip password t3st1ngxl1t3  !Required for X-Lite
  codec g711ulaw  ! Or whatever you need. NOTE: X-Lite basic (free) only supports G711

Source:http://www.netcraftsmen.net/component/content/article/70-unified-communications/774-sip-endpoints-in-cisco-communications-manager-call-manager-express-x-lite.html

Regards

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[Lukas Krejci]

Thank you for fast reply, but I have read this and as you can see from my configuration listing, I have configured everything mentioned in the article.

[Lukas Krejci]

I have another question, that might be connected with this problem: Is there a firmware for this phone, that our CUCME (C2911/K9) might succesfully load?

[Leo Salcie Tejeda]

No, there is not need to any firmware here because is working a Standard SIP Client it should work..

Did you tried to connect using X-lite or another SIP Client?

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MDGDP, CCNA, CCNA Voice, CCNP Voice Certified

[Lukas Krejci]

I have managed to get this phone to register, so now I can call it from other

(SCCP) phones in the company and vice verca. But I still cant make outgoing calls on this phones, while on the other (SCCP) phones, this works fine.

[Leo Salcie Tejeda]

Did you try running a SIP Softphone client?

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[Lukas Krejci]

Yes, I have tried X-lite and it works the same as the phone - registration is ok, calling between phones in company is ok, but outbound or incoming calls are failing to establish (the spa303 displays Service Unavailable, and X-lite displays: Failed to establish call).