I have some kamailio servers in each city: city1.example.com, city2.example.com, city3.example.com.

Users in city1 connects to city1.example.com.

each kamailio has in config:

alias="city1.example.com"

alias="city2.example.com"

alias="city3.example.com"

modparam("dmq", "server_address", "sip:LOCALIP:5050")

modparam("dmq", "notification_address", "sip:city1.example.com:5050")

modparam("dmq", "notification_address", "sip:city2.example.com:5050")

modparam("dmq", "notification_address", "sip:city3.example.com:5050")

modparam("dmq", "num_workers", 6)

modparam("dmq_usrloc", "enable", 1)

modparam("dmq_usrloc", "sync", 1)

if(is_method("PUBLISH")) {

handle_publish();

if(!dmq_is_from_node()) dmq_t_replicate();

t_release();

} else if(is_method("SUBSCRIBE")) {

handle_subscribe();

if(!dmq_is_from_node()) dmq_t_replicate();

t_release();

}

When publish from city1.example.com replicated to city2.example.com, PUBLISH sip:34200@city1.example.com SIP/2.0 but there is no 34200@city1.example.com in active_watchers table there is 34200@city2.example.com. So when publish is coming to city2.example.com handle_publish can not found it, and doesn't send NOTIFY.

Is it any way to ignore domain part in handle_publish()?

2017-11-29 16:23 GMT+03:00 Charles Chance <charles.chance@sipcentric.com>:

Hello,

Why are you trying to operate across domains in the same DMQ cluster? Usually, servers operating in different domains do not need to be aware of each other's user location and/or subscription records - if a request is for another domain, simply forward it to the server(s) responsible for that domain.

Also, regardless of DMQ or any replication, publishes for one domain would not match subscriptions for another domain; even on a single server.

Can you describe your architecture in more detail and what you are looking to achieve with replication?

Cheers,

Charles

On 29 November 2017 at 12:45, Aidar Kamalov <aidar.kamalov@gmail.com> wrote:
Hello,

I have two(or more) kamailio servers with dmq module and dmq_usrloc - sip1.example.com and sip2.example.com
publish and subcribe replication works too.

BLF works fine if clients connected to the same kamailio server, because in active_watchers table stored with same domain sip1.example.com

But what to do when call going from one server to second? Is there any configuration to ignore domain in pusblish, subscribe, notify, etc?

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Aydar A. Kamalov

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Charles Chance
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t. 0330 120 1200 m. 07932 063 891

Sipcentric Ltd. Company registered in England & Wales no. 7365592. Registered office: Faraday Wharf, Innovation Birmingham Campus, Holt Street, Birmingham Science Park, Birmingham B7 4BB.

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Aydar A. Kamalov