Does 2801 router support SPA50x phones?

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May 28th, 2012
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Hi All.

We've got a 2801 router CME4.2 and I'm trying to use SPA502G phone with it. Phone shows "Registering" only, and the router shows "

046585: May 28 09:03:16.224: TFTP: Looking for /SPA502G-cfg.xml".

Does this router support SPA50x phones?

If it does what am I missing there? Some files on a flash (I uploaded only .bin file there)?

Where can I get a list of files which should be uploaded to the router's flash?



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firestormnet Mon, 05/28/2012 - 06:24
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Thanks Paolo.

That's what I thought as I couldn't find anything.


dangquangminh Thu, 03/06/2014 - 07:50
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Does SPA502G in SIP mode working with Cisco 2901 voice CCME 9.1?

Carlo Poggiarelli Thu, 03/06/2014 - 07:56
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Being a Sip based phone, yes it works




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dangquangminh Thu, 03/06/2014 - 08:05
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Thanks Carlo for your reply.

I can not change the phone from SCSP to SIP mode from its menu.

Can we change between sip and scsp on that phone? Or default it will boot up with sip?

Carlo Poggiarelli Thu, 03/06/2014 - 08:15
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SPA 502 default is SIP




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dangquangminh Thu, 03/06/2014 - 08:34
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Could you please have a look at the CCME configs. Am i missing any command? Currently the SPA502G can obtain its IP address but it can not register with the CCME.


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

fax protocol t38 version 0 ls-redundancy 0 hs-redundancy 0 fallback pass-through g711ulaw


bind control source-interface GigabitEthernet0/0.2

bind media source-interface GigabitEthernet0/0.2

registrar server expires max 600 min 60


voice class codec 1

codec preference 1 g711ulaw

codec preference 2 g711alaw

codec preference 3 g729r8

codec preference 4 g729br8

codec preference 5 clear-channel


voice register global

mode cme

source-address port 5060

max-dn 200

max-pool 42

load 7942 SIP42.9-3-1SR2-1S

authenticate register

mwi stutter

voicemail 7400

tftp-path flash:

file text

create profile sync 0393213362631131


voice register dn 30

number 4030



voice register dn 31

number 4031

allow watch

name Shop Floor 1

label Shop Floor 1


voice register pool 30

id mac ECE1.A9CD.0723

number 1 dn 30

dtmf-relay rtp-nte

voice-class codec 1

username 4030 password 4030


interface GigabitEthernet0/0.2

description gateway of vlan 2

encapsulation dot1Q 2

ip address

ip helper-address

h323-gateway voip interface



tftp-server flash0

tftp-server flash:term42.default.loads

tftp-server flash:SIP42.9-3-1SR2-1S.loads

tftp-server flash:jar42sip.9-3-1ES13.sbn

tftp-server flash:apps42.9-2-1TH1-13.sbn

tftp-server flash:cnu42.9-2-1TH1-13.sbn

tftp-server flash:cvm42sccp.9-2-1TH1-13.sbn

tftp-server flash:dsp42.9-2-1TH1-13.sbn

tftp-server flash:jar42sccp.9-2-1TH1-13.sbn

tftp-server flash:SCCP42.9-2-1S.loads

tftp-server flash:term62.default.loads

tftp-server flash:cue-installer.SPA.sme.8.6.6

tftp-server flash://cucme-mlpp

tftp-server flash:apps42.9-3-1ES13.sbn

tftp-server flash:cnu42.9-3-1ES13.sbn

tftp-server flash:cvm42sip.9-3-1ES13.sbn

tftp-server flash:dsp42.9-3-1ES13.sbn

tftp-server flash:spa50x-30x-7-5-5.bin

tftp-server flash:/its


Carlo Poggiarelli Thu, 03/06/2014 - 09:00
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When you add a new register profile, remember to issue create profile under voice register global.

Than.. Have you configured correclty Authentication parameters on SPA Phone?

Please activate a debug voice register error and debug voice register evens and post the output.




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dangquangminh Thu, 03/06/2014 - 10:08
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log into the console port. turn on those two debug commands. Unplug the phones and then plug in. Unfortunately, i got now debug messages.

SHould i copied some firmware files of the 502G into the router flash?

paolo bevilacqua Mon, 05/28/2012 - 04:28
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SPA phones in SPCP mode are supported on the UC500 only.


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