[Asterisk-Users] SIP phones to Asterisk using MAC addressinsteadofIP address

[Kanuri, Seshu (Company IT)]

There is some misconception about the usage of host=dynamic and
defaultip=xxx.xxx.xxx.xxx.
And using more phones than Ips. You can use Dynamic and IP together
without any issue.

The following entries in sip.conf work fine.  But the IP address has to
be on only one phone per IP. You cannot have more than one phone
configured for the same IP as the registration is lost to the other
device, once the second device registers with the same IP

Seshu


;IareaNet BK Office Extensions
[1603]
type=friend     ; Friends place calls and receive calls
context=dialout ; Context allows the user to call outside
username=1234   ; Username for authentication
secret=4321     ; secret or password for above user
host=dynamic    
defaultip=10.12.14.46 ; default IP for this Extensioin
dtmfmode=rfc2833        ; Choices are inband, rfc2833, or info
disallow=all
allow=g729
allow=g723.1
allow=ulaw      ; dtmfmode=inband only works with ulaw or alaw!
allow=alaw      ; dtmfmode=inband only works with ulaw or alaw!
allow=gsm
progressinband=no       ; Polycom phones don't work properly with
"never"

[1604]
type=friend     ; Friends place calls and receive calls
context=dialout ; Context allows the user to call outside
username=1235   ; Username for authentication
secret=4325     ; secret or password for above user
host=dynamic    
defaultip=10.12.14.46 ; default IP for this Extensioin
dtmfmode=rfc2833        ; Choices are inband, rfc2833, or info
disallow=all
allow=g729
allow=g723.1
allow=ulaw      ; dtmfmode=inband only works with ulaw or alaw!
allow=alaw      ; dtmfmode=inband only works with ulaw or alaw!
allow=gsm
progressinband=no    ; Polycom phones don't work properly with "never"

-----Original Message-----
From: asterisk-users-bounces at lists.digium.com
[mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of Alex
Vishnev
Sent: Monday, April 04, 2005 1:02 PM
To: 'Asterisk Users Mailing List - Non-Commercial Discussion'
Subject: RE: [Asterisk-Users] SIP phones to Asterisk using MAC
addressinsteadofIP address

If you setup host=dynamic in sip.conf, then the registration does not
depend on ip address. It depends on sip user name of sip URI. You need
to provision sip user name inside each phone. Please bare in mind that
it is different then sip authentication name.

Hope this helps

Alex

-----Original Message-----
From: asterisk-users-bounces at lists.digium.com
[mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of Giles
Coochey
Sent: Monday, April 04, 2005 10:33 AM
To: chuck.bunn at networkdoc.com; Asterisk Users Mailing List -
Non-Commercial Discussion
Subject: RE: [Asterisk-Users] SIP phones to Asterisk using MAC
addressinsteadof IP address

> Hi,
> 
> I know this can be done but I guess I am not understanding the few 
> notes I have seen on this - can SIP phones be tied to Asterisk using a

> PC mac address instead of their IP address (obviously I am using 
> DHCP). If someone could please point to the right Wiki or How to I 
> would greatly appreciate it.
> 

I would do this by using IP reservations on the DHCP server. Most DHCP
servers will allow you to set a reservation of a paricular IP address to
a particular MAC address.

You may not be able to use this if you have more phones than available
IP addresses of course.

I couldn't see anything in
http://www.voip-info.org/wiki-Asterisk+config+sip.conf that would help
your cause directly.

Giles
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