设备CISCO2911-V/K9 CP-3905 更新固件无法成功，相关配置如下：
tftp-server flash:cmterm-3905.9-4-1SR2-2.k3.cop.sgn
tftp-server flash:APP3905.9-4-1SR2-2.zz
tftp-server flash:CP3905.9-4-1SR2-2.loads
telephony-service
max-ephones 20
max-dn 20
ip source-address 192.168.0.1 port 2000
auto assign 1 to 100
system message VOIP
cnf-file location flash:
cnf-file perphone
user-locale U1 CN
network-locale U1
load 6901 CP3905.9-4-1SR2-2.loads
time-zone 42
keepalive 15
max-conferences 8 gain -6
moh enable-g711 "enable-g711"
multicast moh 239.1.1.1 port 2124
web admin system name admin password admin
dn-webedit
time-webedit
transfer-system full-consult
transfer-pattern 9...
secondary-dialtone 9
create cnf-files
voice register global
mode cme
source-address 192.168.132.1 port 5060
max-dn 100
max-pool 50
load 3905 CP3905.9-4-1SR2-2.loads
authenticate register
authenticate realm all
timezone 42
time-format 24
date-format Y-M-D
application aa
service https
tftp-path flash:
file text
create profile
voice register global 输入upgrade 也试过
麻烦各位大神帮忙分析下问题出在哪里？谢谢
