h1. Compatibility

*Softswitches*:

* Mera (ALOE) Systems (all products);
* Nextone;
* Cisco (PGW);
* Huawei;
* Cirpack;
* IXC;
* Speedflow;
* Asterisk and derivatives;
* Opensips/Kamalio/Openser and derivatives;
* Freeswitch and derivatives;
* Callweaver and derivatives;
* Yate and derivatives;
* other*.

*Gateways*:

* Cisco (AS5300, AS5350, etc.);
* Linksys;
* Huawei;
* Audiocodes (Mediant 1000, Mediant 2000);
* Quintum;
* other*.

*IP phones*:

* Cisco;
* Linksys;
* Grandstream;
* other*.

*Softphones*:

* CounterPath eyeBeam;
* CounterPath X-lite;
* SJPhone;
* Linphone;
* Ekiga;
* MyPhone;
* other*.

*Expansion cards*:

* Digium TE420 E1/T1
* others compatible with Asterisk*

'*' - since 2007, no incompatibility problems have been reported or detected.
Presumably the list of compatible hardware and software is much longer.