Wouldn't you do something like this (?) : In iax.conf : [iaxRpt_1] secret=foo_bar type=friend host=dynamic disallow=alliax.conf : iax.conf : [iaxRpt_1] secret=foo_baiax.conf : [iaxRpt_1] secret=foo_bar type=friend host=dynamic disallow=all allow=ulaw allow=gsm allow=g726aal2 codecpriority=host context=radio-gui_1 requirecalltoken=no jbenable=yes [iaxRpt_2] secret=bar_foo type=friend host=dynamic disallow=all allow=ulaw allow=gsm allow=g726aal2 codecpriority=host context=radio-gui_2 requirecalltoken=no jbenable=yes iax.conf : [iaxRpt_1] secret=foo_bar type=friend host=dynamic disallow=all allow=ulaw allow=gsm allow=g726aal2 codecpriority=hostiax.conf : [iaxRpt_1] secret=foo_bar type=friend host=dynamic disallow=all allow=ulaw allow=gsm allow=g726aal2 codecpriority=host context=radio-gui_1 requirecalltoken=no jbenable=yes [iaxRpt_2] secret=bar_foo type=friend host=dynamic disallow=all allow=ulaw allow=gsm allow=g726aal2 codecpriority=host context=radio-gui_2 requirecalltoken=no jbenable=yes iax.conf : [iaxRpt_1] secret=foo_bar type=friend host=dynamic disallow=all allow=ulaw allow=gsm allow=g726aal2 codecpriority=host context=radio-gui_1 requirecalltoken=no jbenable=yes [iaxRpt_2] secret=bar_foo type=friend host=dynamic disallow=all allow=ulaw allow=gsm allow=g726aal2 codecpriority=host context=radio-gui_2 requirecalltoken=no jbenable=yes extensions.conf : [radio-gui_1] exten => 27783,1,rpt(27783|X) [radio-gui_2] exten => 27826,1,rpt(27826|X) extensions.conf : allow=ulaw allow=gsm allow=g726aal2 codecpriority=host context=radio-gui_1 requirecalltoken=no jbenable=yes [iaxRpt_2] secret=bar_foo type=friend host=dynamic disallow=all allow=ulaw allow=gsm allow=g726aal2 codecpriority=host context=radio-gui_2 requirecalltoken=no jbenable=yes In extensions.conf : [radio-gui_1] exten => 27783,1,rpt(27783|X) [radio-gui_2] exten => 27826,1,rpt(27826|X)