AudioCodes 420HD - Dialing a Missed Call; Answering Calls

Administrator's Manual 10. Obtaining Firmware and Configuration Files
Version 2.2.8 51 400HD Series IP Phones
10.2.2 Provisioning using DHCP Option 66/67
Phones can get a provisioning URL from DHCP Option 66/67. Option 160 has the highest
priority, following by Option 66/67, and then Option 43. The table below shows the behaviors
for Option 66/67.
Table 10-2: Auto Provisioning via DHCP Option 66/67
Option 66 Option 67 Result Comment
1
Doesn’t exist or empty Any No URL from Option 66/67 When Option 66
doesn’t exist, or it’s
empty, the phone
cannot get a URL
from Option 66/67.
2
Server address exists but there is no
protocol header such as TFTP, FTP,
HTTP, HTTPS.
File names do not exist.
Example:
Audiocodes.com
192.168.0.11
Non-existent Firmware URL:
Tftp://audiocodes.com/<hardware
type>.img
Configuration file url:
Tftp://audiocodes.com/.<mac>cfg
When protocol is
not specified, tftp is
added as the
default protocol.
Contains names.
Example:
abc.img;efg.cfg
Firmware URL:
Tftp://audiocodes.com/abc.img
Configuration file URL:
Tftp://audiocodes.com/efg.cfg
3
Server address exists
File names do not exist.
Example:
http://Audiocodes.com
http://192.168.0.11
Non-existent Firmware URL:
http://audiocodes.com/<hardware
type>.img
Configuration file URL:
http://audiocodes.com/.<mac>cfg
Contains names.
Example:
abc.img;efg.cfg
Firmware URL:
http://audiocodes.com/abc.img
Configuration file URL:
http://audiocodes.com/efg.cfg
4
Server address exists.
File names exist.
Example:
http://Audiocodes.com/abc.image;efg
.cfg
Any Firmware URL:
http://audiocodes.com/abc.img
Configuration file URL:
http://audiocodes.com/efg.cfg
If any file name
exists in Option 66,
the names in
Option 67 are
ignored.
 To operate with DHCP Options 66 and 67:

Configure DHCP Options 66 and 67 in the DHCP server, instead of configuring Option
160. See the DHCP server related documentation for detailed information.
10.2.3 Provisioning using DHCP Option 43
Phones can get a provisioning URL from DHCP Option 43. Option 160 has the highest
priority, following by Option 66/67, and then Option 43.
 To operate with DHCP Options 43:

Configure DHCP Options 43 in the DHCP server. Use the example in the figure below
as reference.