UC540 and SPA509G

Unanswered Question
Marcos Hernandez Wed, 04/21/2010 - 08:07
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Currently, we offer support on that phone for the first 8 lines. In a future release, we will support the entire button set.


p-vincent Mon, 11/29/2010 - 07:25
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Hi Marcos,

I have a customer with same setup. UC540 with SPA509 phones. Customer would like to use all 12 buttons as monitor buttons, but only 8 possible. Is there allready a release that supports all buttons?

If yes, could you tell me what release to install?

Many thanks


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I have not tested it myself but was told by another member on 8/19/2010 that the latest release works.

p-vincent Mon, 11/29/2010 - 07:44
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And should I download new firmware for the ip phones? or download new IOS Version?

Steven DiStefano Mon, 11/29/2010 - 07:50
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Ultimately  you would want to download the UC540 8.0.5 SWP which has the phone loads included.

Earlier, I heard 8.0.5 SWP needed to be fixed (perhaps corrupted) so  waiting for that to happen maybe a good idea.

In the mean time, you can get the latest Phone firmware from CCO and you can 'drag and drop' SPA5xx phone loads (and now even 79xx phone loads) in CCA 2.2.6 to the UC540 topology icon.  Then reset the phones and try.

p-vincent Mon, 11/29/2010 - 08:14
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Thanks for your replies, will test and keep you posted

william Jin Tue, 05/15/2012 - 15:55
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Is there any update on this? I have the same problem.

I configured line monitoring on the 12 buttons of SPA509G and only the first 8 lines are working.

I upgraded phone firmware to 7.4.8a. No luck.

ephone  1

device-security-mode none

description ephone1

mac-address xxxx.xxxx.xxxx

ephone-template 1

max-calls-per-button 2

type 509G

no missed-calls

button  1:1 2w23 3w6 4w5

button  5w18 6w21 7w7 8w8

button  9w35 10w22 11w4 12w15


UC540#sh ephone registered

ephone-1[0] Mac:xxxx.xxxx.xxxx TCP socket:[8] activeLine:0 whisperLine:0 REGISTERED in SCCP ver 8/8 max_streams=1 SPCP ver 1/1

mediaActive:0 whisper_mediaActive:0 startMedia:0 offhook:0 ringing:0 reset:0 reset_sent:0 paging 0 debug:0 caps:12

IP: 1024 SPA509G  keepalive 218 max_line 8 available_line 12

button 1: dn 1  number 101 CH1   IDLE         CH2   IDLE         shared with monitor-ring

button 2: dn 23 number 123 CH1   IDLE         CH2   IDLE         watch(BLF on phone 23) shared with monitor-ring

button 3: dn 6  number 106 CH1   IDLE         CH2   IDLE         watch(BLF on phone 6) shared with monitor-ring

button 4: dn 5  number 105 CH1   IDLE         CH2   IDLE         watch(BLF on phone 5) shared with monitor-ring

button 5: dn 18 number 118 CH1   IDLE         CH2   IDLE         watch(BLF on phone 18) shared with monitor-ring

button 6: dn 21 number 121 CH1   IDLE         CH2   IDLE         watch(BLF on phone 21) shared with monitor-ring

button 7: dn 7  number 107 CH1   IDLE         CH2   IDLE         watch(BLF on phone 7) shared with monitor-ring

button 8: dn 8  number 108 CH1   IDLE         CH2   IDLE         watch(BLF on phone 8) shared with monitor-ring