Voz e comunicações unificadas : Cisco Unified Communications Manager Express

Firmware do telefone IP da elevação com CCME

18 Junho 2016 - Tradução por Computador
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Índice


Introdução

Este documento fornece o procedimento de como atualizar a firmware do Cisco IP Phone com o Cisco CallManager Express.

Pré-requisitos

Requisitos

Certifique-se de atender a estes requisitos antes de tentar esta configuração:

  • Os Telefones IP de Cisco são registrados atualmente com o CallManager da Cisco expresso.

Componentes Utilizados

A informação neste documento é baseada nestes versão de software e hardware, mas aplicável a todas as liberações do CallManager da Cisco e cargas expressas do Cisco IP Phone:

  • O roteador do ½ do ¿  de Cisco IOSï na liberação 12.4(4)T do ½ do ¿  de Cisco IOSï com CallManager da Cisco expressa a liberação 3.4(0)

  • Telefone IP 7960 da Cisco

As informações neste documento foram criadas a partir de dispositivos em um ambiente de laboratório específico. Todos os dispositivos utilizados neste documento foram iniciados com uma configuração (padrão) inicial. Se a sua rede estiver ativa, certifique-se de que entende o impacto potencial de qualquer comando.

Convenções

Consulte as Convenções de Dicas Técnicas da Cisco para obter mais informações sobre convenções de documentos.

Informações de Apoio

Assinado e imagens não assinadas (autenticação de imagem)

Há dois tipos de imagens que são usadas no Cisco IP Phone 7960 e 7940: assinado e imagens não assinadas. A autenticação de imagem é executada através dos arquivos binários assinados. As imagens assinadas têm uma extensão .sbn, quando as imagens não assinadas tiverem uma extensão do .bin.

As versões da imagem mais cedo do que 5.x aceitam arquivos binários sem assinatura. As versões da imagem 5.x e aceitam mais tarde somente arquivos binários assinados, que melhora a Segurança no Cisco IP Phone 7960 e 7940. Contudo, o uso de arquivos binários assinados não permite que você retorne a uma imagem de firmware sem assinatura mais adiantada. Uma vez que uma imagem de firmware da versão 5.0 é instalada, apesar do protocolo, a imagem não pode ser substituída com toda a versão anterior. A imagem de firmware pode ser substituída somente com uma outra versão da imagem assinada 5.x ou mais tarde. Todas as versões mais cedo do que a versão 5.0 para o Cisco IP Phone 7960 e 7940 não carregam no telefone após a instalação.

Configurar

Nesta seção, você é presentado com a informação para promover o firmware do Cisco IP Phone.

Downloads

Os arquivos de firmware SCCP exigidos podem ser transferidos do 7900 Series do Cisco IP Phone FW (SORVO NON) - download do software (clientes registrados somente). Transfira o arquivo apropriado do .zip para o modelo do Cisco IP Phone. Segundo o modelo do Cisco IP Phone, o arquivo do .zip pode conter uns ou vários arquivos.

O arquivo do .zip da versão de firmware 7.2(3) para o Cisco IP Phone modela 7960 e 7940, cmterm-7940-7960-sccp.7-2-3.zip, inclui estes arquivos:

  • P00307020300.bin

  • P00307020300.sbn

  • P00307020300.sb2

  • P00307020300.loads

Similarmente, o arquivo do .zip do firmware para o modelo 7905G do Cisco IP Phone, cmterm-7905G-sccp.6-1-1, inclui estes arquivos:

  • CP7905060101SCCP050429A.sbin

  • CP7905060101SCCP050429A.zup

Configurações passo a passo

A fim configurar o firmware aplicável, termine estas etapas:

  1. Transfira todos os arquivos de firmware à memória Flash do CallManager da Cisco expressa. A fim verificar transferência dos arquivos, emita o comando show flash:

    Router_CCME#show flash
    
    
    -#- --length-- -----date/time------ path
    
    
    !--- Part of output elided.
    
    
    13      128996 Nov 30 2005 07:05:36 +00:00 P00307020300.bin
    14      129400 Nov 30 2005 07:06:02 +00:00 P00307020300.sbn
    15      681290 Nov 30 2005 07:06:18 +00:00 P00307020300.sb2
    16         461 Nov 30 2005 07:06:34 +00:00 P00307020300.loads
    
    24612864 bytes available (103567360 bytes used)
  2. Faça os arquivos disponíveis para a transferência por Telefones IP de Cisco com esta configuração:

    Router_CCME#configure terminal
    Router_CCME(config)#tftp-server flash: P00307020300.bin
    Router_CCME(config)#tftp-server flash: P00307020300.sbn 
    Router_CCME(config)#tftp-server flash: P00307020300.sb2
    Router_CCME(config)#tftp-server flash: P00307020300.loads
    
  3. Configurar o firmware apropriado para os Telefones IP de Cisco:

    Router_CCME#configure terminal
    Enter configuration commands, one per line.  End with CNTL/Z.
    Router_CCME(config)#telephony-service
    Router_CCME(config-telephony)#load 7960-7940  P00307020300
    Updating CNF files
    CNF files updating complete
    

    Nota: No comando load, a extensão (.bin ou .sbn) do arquivo de firmware não deve ser mencionada.

  4. Restaure os Telefones IP de Cisco a fim fazê-los escolher a versão do novo firmware. Se você planeou para o tempo ocioso da máquina, restaure todos os telefones imediatamente. Você pode igualmente restaurar os telefones individualmente, porque os usuários estão prontos.

    Router_CCME(config-telephony)#reset ?
      H.H.H         mac address
      all           reset all ethernet phones
      cancel        cancel in progress reset
      sequence-all  reset all ethernet phones sequentially, wait for each phone to
                    re-register before reseting the next phone. This prevents
                    possible conflict between phones when accessing IOS TFTP
                    services.
    
    Router_CCME(config-telephony)#reset all
    Reset 1 phones: at 15 second interval        - this could take several minutes p
    er phone
    Starting with 7960 phones
    
    Router_CCME(config-telephony)#
    Reset-All: Requesting Reset for phone SEP000A8A93E0F9 at 172.16.2.101 deviceType
     7 Telecaster 7960  Idle [count=1]
    
    *Nov 30 09:21:39.803 UTC: %IPPHONE-6-UNREGISTER_NORMAL: ephone-1:SEP000A8A93E0F9
     IP:172.16.2.101 Socket:1 DeviceType:Phone has unregistered normally.
    Reset/Restart-all looking for phones registered as type 8 Telecaster 7940
    Reset/Restart-all looking for phones registered as type 6 Telecaster 7910
    Reset/Restart-all looking for phones registered as type 20000 7905
    *Nov 30 09:21:53.803 UTC: %IPPHONE-6-REG_ALARM: 22: Name=SEP000A8A93E0F9 Load=7.
    2(3.0) Last=Reset-Reset
    *Nov 30 09:21:53.803 UTC: %IPPHONE-6-REGISTER: ephone-1:SEP000A8A93E0F9 IP:172.1
    6.2.101 Socket:1 DeviceType:Phone has registered.
    Reset/Restart-all looking for phones registered as type 30008 7902
    Reset/Restart-all looking for phones registered as type 30007 7912
    Reset/Restart-all looking for phones registered as type 30002 7920
    Reset/Restart-all looking for phones registered as type 30016 CIPC
    Reset/Restart-all looking for phones registered as type 30006 7970
    Reset/Restart-all looking for phones registered as type 119 7971
    Reset/Restart-all looking for phones registered as type 115 7941
    Reset/Restart-all looking for phones registered as type 308 7961GE
    Reset/Restart-all looking for phones registered as type 309 7941GE
    Reset/Restart-all looking for phones registered as type 307 7911
    Reset/Restart-all looking for phones registered as type 302 7985
    Reset/Restart-all looking for phones registered as type 30018 7961
    Reset/Restart-all looking for phones registered as type 30019 7936
    Reset/Restart-all looking for phones registered as type 12 ATA Phone
    Reset/Restart-all looking for phones registered as type 30027 SCCP Gateway (AN)
    Reset/Restart-all looking for phones registered as type 30028 SCCP Gateway (BRI)
    
    Reset/Restart-all looking for phones registered as type 9 7935
    Reset/Restart-all looking for phones registered as type 1 30SP+
    Reset/Restart-all looking for phones registered as type 2 12SP+
    Reset/Restart-all looking for phones registered as type 3 12SP
    Reset/Restart-all looking for phones registered as type 4 12
    Reset/Restart-all looking for phones registered as type 5 30VIP
    Reset/Restart-all looking for phones registered as type 80 Unity Voice Port
    Reset/Restart-all looking for phones registered as type 21 Unity Voice Port
    Reset/Restart-all looking for phones registered as type -1 Unknown -1
    Reset-All issued for 1 phones
     43 seconds (wait for last phone to re-register)
Router_CCME
Router_CCME#show ephone phone-load
DeviceName        CurrentPhoneload       PreviousPhoneload      LastReset
=====================================================================
SEP000A8A93E0F9   7.2(3.0)               7.2(2.0)               Initialized

Verificar

Use esta seção para confirmar se a sua configuração funciona corretamente.

Emita estes comandos a verfiy sua configuração:

  • mostre o telefonia-serviço todo — indica a configuração detalhada de todos os Telefones IP, portas de voz, e dial peer de Cisco do roteador do Cisco IOS Telephony Service.

    Router_CCME#show telephony-service all
    CONFIG [Version=3.4(0)]
    ========================
    Version 3.4(0)
    Cisco CallManager Express
    For on-line documentation please see:
    www.cisco.com/univercd/cc/td/doc/product/access/ip_ph/ip_ks/index.htm
    
    ip source-address 172.16.2.211 port 2000
    load 7960-7940 P00307020300
    max-ephones 1
    max-dn 1
    max-conferences 8 gain -6
    dspfarm units 0
    dspfarm transcode sessions 0
    hunt-group report delay 1 hours
    max-redirect 5
    time-format 12
    date-format mm-dd-yy
    timezone 0 Greenwich Standard Time
    keepalive 30
    timeout interdigit 10
    timeout busy 10
    timeout ringing 180
    caller-id name-only: enable
    edit DN through Web:  disabled.
    edit TIME through web:  disabled.
    Log (table parameters):
         max-size: 150
         retain-timer: 15
    create cnf-files version-stamp Jan 01 2002 00:00:00
    transfer-system full-consult
    auto assign 1 to 1
    local directory service: enabled.
    
    ephone-dn 1
    number 7001
    preference 0 secondary 9
    huntstop
    call-waiting beep
    
    
    Number of Configured ephones 1 (Registered 1)
    ephone 1
    mac-address 000A.8A93.E0F9
    type 7960
    button  1:1
    !
    
    
    voice-port 50/0/1
     station-id number 7001
    !
    
    
    dial-peer voice 20011 pots
     destination-pattern 7001$
     huntstop
     progress_ind setup enable 3
     port 50/0/1
    
    
    tftp-server system:/its/SEPDEFAULT.cnf
    tftp-server system:/its/SEPDEFAULT.cnf alias SEPDefault.cnf
    tftp-server system:/its/XMLDefault.cnf.xml alias XMLDefault.cnf.xml
    tftp-server system:/its/ATADefault.cnf.xml
    tftp-server system:/its/XMLDefault7960.cnf.xml alias SEP000A8A93E0F9.cnf.xml
    tftp-server system:/its/united_states/7960-tones.xml alias United_States/7960-to
    nes.xml
    tftp-server system:/its/united_states/7960-font.xml alias English_United_States/
    7960-font.xml
    tftp-server system:/its/united_states/7960-dictionary.xml alias English_United_S
    tates/7960-dictionary.xml
    tftp-server system:/its/united_states/7960-kate.xml alias English_United_States/
    7960-kate.xml
    tftp-server system:/its/united_states/SCCP-dictionary.xml alias English_United_S
    tates/SCCP-dictionary.xml
    
  • ephone da mostra — informação dos indicadores sobre Telefones IP registrados de Cisco.

    Router_CCME#show ephone
    
    ephone-1 Mac:000A.8A93.E0F9 TCP socket:[1] activeLine:0 REGISTERED in SCCP ver 6
    mediaActive:0 offhook:0 ringing:0 reset:0 reset_sent:0 paging 0 debug:1
    IP:172.16.2.101 50230 Telecaster 7960  keepalive 5 max_line 6
    button 1: dn 1  number 7001 CH1   IDLE
    

Troubleshooting

Esta seção fornece informações que podem ser usadas para o troubleshooting da sua configuração.

Estes comandos debug ajudam a identificar todas as edições na upgrade de firmware:

  • debugar eventos de tftp

  • debugar o registro do ephone

Este exemplo mostra a informação debugar gerada quando um Cisco IP Phone 7960 é promovido com sucesso à versão de firmware 7.2.2:

*Nov 30 09:15:19.868 UTC: ephone-1[1]:UnregisterMessage after Reset/Restart sent
*Nov 30 09:15:19.868 UTC: ephone-1[1]:Phone Unregistered on socket [1] SEP000A8A
93E0F9
*Nov 30 09:15:19.868 UTC: ephone-1[1]:UnregisterAck sent on socket [1] (0/0/10)
*Nov 30 09:15:19.868 UTC: %IPPHONE-6-UNREGISTER_NORMAL: ephone-1:SEP000A8A93E0F9
 IP:172.16.2.101 Socket:1 DeviceType:Phone has unregistered normally.
*Nov 30 09:15:19.868 UTC: skinny_server_process: Socket error. errno=0
*Nov 30 09:15:19.868 UTC: ephone-1[1]:DisAssociate: Closed socket 1 for unregist
ered phone
*Nov 30 09:15:19.868 UTC: CLOSED Skinny socket 1 for de-registered phone
*Nov 30 09:15:30.976 UTC: TFTP: Looking for CTLSEP000A8A93E0F9.tlv
*Nov 30 09:15:30.984 UTC: TFTP: Looking for SEP000A8A93E0F9.cnf.xml
*Nov 30 09:15:31.504 UTC: TFTP: Opened system:/its/XMLDefault7960.cnf.xml, fd 0,
 size 788 for process 216
*Nov 30 09:15:31.508 UTC: TFTP: Finished system:/its/XMLDefault7960.cnf.xml, tim
e 00:00:00 for process 216
Reset sequence-all, Ready to reset next phone (last 15 sec)

Reset/Restart-all looking for phones registered as type 8 Telecaster 7940
*Nov 30 09:15:34.384 UTC: New Skinny socket accepted [1] (0 active)
*Nov 30 09:15:34.384 UTC: sin_family 2, sin_port 50230, in_addr 172.16.2.101
*Nov 30 09:15:34.384 UTC: skinny_add_socket 1 172.16.2.101 50230
*Nov 30 09:15:34.869 UTC: %IPPHONE-6-REG_ALARM: 22: Name=SEP000A8A93E0F9 Load=7.
2(3.0) Last=Reset-Reset
*Nov 30 09:15:34.869 UTC:
Skinny StationAlarmMessage on socket [1] 172.16.2.101 SEP000A8A93E0F9
*Nov 30 09:15:34.869 UTC: severityInformational p1=2049 [0x801] p2=1694634156 [0
x650210AC]
*Nov 30 09:15:34.869 UTC: 22: Name=SEP000A8A93E0F9 Load=7.2(3.0) Last=Reset-Rese
t
*Nov 30 09:15:34.869 UTC: ephone-(1)[1] StationRegisterMessage (0/0/10) from 172
.16.2.101
*Nov 30 09:15:34.869 UTC: ephone-(1)[1] Register StationIdentifier DeviceName SE
P000A8A93E0F9
*Nov 30 09:15:34.869 UTC: ephone-(1)[1] StationIdentifier Instance 1    deviceTy
pe 7
*Nov 30 09:15:34.869 UTC: ephone-1[-1]:stationIpAddr 172.16.2.101
*Nov 3
Reset/Restart-all looking for phones registered as type 6 Telecaster 7910 0 09:1
5:34.869 UTC: ephone-1[-1]:maxStreams 0
*Nov 30 09:15:34.869 UTC: ephone-1[-1]:protocol Ver 0x84000006
*Nov 30 09:15:34.869 UTC: ephone-1[-1]:phone-size 2820 dn-size 488
*Nov 30 09:15:34.869 UTC: ephone-(1) Allow any Skinny Server IP address 172.16.2
.211
*Nov 30 09:15:34.869 UTC: ephone-1[-1]:Found entry 0 for 000A8A93E0F9
*Nov 30 09:15:34.869 UTC: ephone-1[-1]:socket change -1 to 1
*Nov 30 09:15:34.869 UTC: ephone-1[-1]:FAILED: CLOSED old socket -1
*Nov 30 09:15:34.869 UTC: ephone-1[1]:***Force device subtype to 0
*Nov 30 09:15:34.869 UTC: ephone-1[1]:phone SEP000A8A93E0F9 re-associate OK on s
ocket [1]
*Nov 30 09:15:34.869 UTC: %IPPHONE-6-REGISTER: ephone-1:SEP000A8A93E0F9 IP:172.1
6.2.101 Socket:1 DeviceType:Phone has registered.
*Nov 30 09:15:34.869 UTC: Phone
Reset/Restart-all looking for phones registered as type 20000 7905   0 socket 1
*Nov 30 09:15:34.869 UTC: Skinny Local IP address = 172.16.2.211 on port 2000

*Nov 30 09:15:34.869 UTC: Skinny Phone IP address = 172.16.2.101 50230
*Nov 30 09:15:34.869 UTC: ephone-1[1]:Signal protocol ver 5 to phone with ver 6
*Nov 30 09:15:34.869 UTC: ephone-1[1]:Date Format M/D/Y
*Nov 30 09:15:34.869 UTC: ephone-1[1]:RegisterAck sent to ephone 1: keepalive pe
riod 30 use sccp-version 5
*Nov 30 09:15:34.873 UTC: ephone-1[1]:CapabilitiesReq sent
*Nov 30 09:15:35.125 UTC: ephone-1[1]:CapabilitiesRes received
*Nov 30 09:15:35.125 UTC: ephone-1[1]:Caps list 7
WideBand_256K  120 ms
G711Ulaw64k  40 ms
G711Alaw64k  40 ms
G729AnnexB  60 ms
G729AnnexAwAnnexB  60 ms
G729  60 ms
G729AnnexA  60 ms

*Nov 30 09:15:35.125 UTC: ephone-1[1]:ButtonTemplateReqMessage
*Nov 30 09:15:35.
Reset/Restart-all looking for phones registered as type 30008 7902  125 UTC: eph
one-1[1]:CheckAutoReg
*Nov 30 09:15:35.125 UTC: ephone-1[1]:AutoReg is disabled
*Nov 30 09:15:35.125 UTC: ephone-1[1][SEP000A8A93E0F9]:Setting 6 lines 0 speed-d
ials on phone (max_line 6)
*Nov 30 09:15:35.125 UTC: ephone-1[1]:First Speed Dial Button location is 0 (0)
*Nov 30 09:15:35.125 UTC: ephone-1[1]:Configured 0 speed dial buttons
*Nov 30 09:15:35.125 UTC: ephone-1[1]:ButtonTemplate lines=6 speed=0 buttons=6 o
ffset=0
*Nov 30 09:15:35.381 UTC: ephone-1[1]:StationSoftKeyTemplateReqMessage
*Nov 30 09:15:35.381 UTC: ephone-1[1]:StationSoftKeyTemplateResMessage
*Nov 30 09:15:35.633 UTC: ephone-1[1]:StationSoftKeySetReqMessage
*Nov 30 09:15:35.633 UTC: ephone-1[1]:Removed SkPark key
*Nov 30 09:15:35.633 UTC: ephone-1[1]:StationSoftKeySetResMessage
*Nov 30 09:15:3
Reset/Restart-all looking for phones registered as type 30007 7912  5.885 UTC: e
phone-1[1]:StationLineStatReqMessage from ephone line 6
*Nov 30 09:15:35.885 UTC: ephone-1[1][SEP000A8A93E0F9]:StationLineStatReqMessage
 from ephone line 6 Invalid DN 0
*Nov 30 09:15:35.885 UTC: ephone-1[1][SEP000A8A93E0F9]:StationLineStatResMessage
 sent to ephone (1 of 6)
*Nov 30 09:15:36.137 UTC: ephone-1[1]:StationLineStatReqMessage from ephone line
 5
*Nov 30 09:15:36.137 UTC: ephone-1[1][SEP000A8A93E0F9]:StationLineStatReqMessage
 from ephone line 5 Invalid DN 0
*Nov 30 09:15:36.137 UTC: ephone-1[1][SEP000A8A93E0F9]:StationLineStatResMessage
 sent to ephone (2 of 6)
*Nov 30 09:15:36.389 UTC: ephone-1[1]:StationLineStatReqMessage from ephone line
 4
*Nov 30 09:15:36.389 UTC: ephone-1[1][SEP000A8A93E0F9]:StationLineStatReqMessage
 from ephone line 4 Invalid DN 0
*Nov 30 09:15:36.38
Reset/Restart-all looking for phones registered as type 30002 7920  9 UTC: ephon
e-1[1][SEP000A8A93E0F9]:StationLineStatResMessage sent to ephone (3 of 6)
*Nov 30 09:15:36.641 UTC: ephone-1[1]:StationLineStatReqMessage from ephone line
 3
*Nov 30 09:15:36.641 UTC: ephone-1[1][SEP000A8A93E0F9]:StationLineStatReqMessage
 from ephone line 3 Invalid DN 0
*Nov 30 09:15:36.641 UTC: ephone-1[1][SEP000A8A93E0F9]:StationLineStatResMessage
 sent to ephone (4 of 6)
*Nov 30 09:15:36.893 UTC: ephone-1[1]:StationLineStatReqMessage from ephone line
 2
*Nov 30 09:15:36.893 UTC: ephone-1[1][SEP000A8A93E0F9]:StationLineStatReqMessage
 from ephone line 2 Invalid DN 0
*Nov 30 09:15:36.893 UTC: ephone-1[1][SEP000A8A93E0F9]:StationLineStatResMessage
 sent to ephone (5 of 6)
*Nov 30 09:15:37.145 UTC: ephone-1[1]:StationLineStatReqMessage from ephone line
 1
*Nov 30 09:15:37.145 UTC: ephon
Reset/Restart-all looking for phones registered as type 30016 CIPC  e-1[1]:Stati
onLineStatReqMessage ephone line 1 DN 1 = 7001 desc = 7001 label =
*Nov 30 09:15:37.145 UTC: ephone-1[1][SEP000A8A93E0F9]:StationLineStatResMessage
 sent to ephone (6 of 6)
*Nov 30 09:15:37.145 UTC: ephone-1[1]:SkinnyCompleteRegistration
*Nov 30 09:15:37.221 UTC: TFTP: Looking for SEP000A8A93E0F9.cnf.xml
*Nov 30 09:15:37.221 UTC: TFTP: Opened system:/its/XMLDefault7960.cnf.xml, fd 0,
 size 788 for process 216
*Nov 30 09:15:37.221 UTC: TFTP: Looking for RINGLIST.XML
*Nov 30 09:15:37.241 UTC: TFTP: Finished system:/its/XMLDefault7960.cnf.xml, tim
e 00:00:00 for process 216
*Nov 30 09:15:37.245 UTC: TFTP: Looking for DISTINCTIVERINGLIST.XML
*Nov 30 09:15:37.409 UTC: ephone-1[1]:Skinny Available Lines 6 set for socket [1
]
*Nov 30 09:15:37.409 UTC: ephone-1[1]:Already d
Reset/Restart-all looking for phones registered as type 30006 7970  one SkinnyCo
mpleteRegistration
Reset/Restart-all looking for phones registered as type 119 7971
Reset/Restart-all looking for phones registered as type 115 7941
Reset/Restart-all looking for phones registered as type 308 7961GE
Reset/Restart-all looking for phones registered as type 309 7941GE
Reset/Restart-all looking for phones registered as type 307 7911
Reset/Restart-all looking for phones registered as type 302 7985
Reset/Restart-all looking for phones registered as type 30018 7961
Reset/Restart-all looking for phones registered as type 30019 7936
Reset/Restart-all looking for phones registered as type 12 ATA Phone
Reset/Restart-all looking for phones registered as type 30027 SCCP Gateway (AN)
Reset/Restart-all looking for phones registered as type 30028 SCCP Gateway (BRI)

Reset/Restart-all looking for phones registered as type 9 7935
Reset/Restart-all looking for phones registered as type 1 30SP+
Reset/Restart-all looking for phones registered as type 2 12SP+
Reset/Restart-all looking for phones registered as type 3 12SP
Reset/Restart-all looking for phones registered as type 4 12
Reset/Restart-all looking for phones registered as type 5 30VIP
Reset/Restart-all looking for phones registered as type 80 Unity Voice Port
Reset/Restart-all looking for phones registered as type 21 Unity Voice Port
Reset/Restart-all looking for phones registered as type -1 Unknown -1
Reset-All issued for 1 phones
 45 seconds (wait for last phone to re-register)

Nota: Durante uma elevação, se o LCD de um Cisco IP Phone indica o arquivo não encontrado, isto poderia indicar uma tentativa de carregar uma imagem não assinada em um Cisco IP Phone que já tivesse uma imagem assinada.

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