Hi, Thank you for the reply. Do you use before using UA behind Symmetric NAT to make to the other UA behind Symmetric NAT? As I am doing this, but there is no audio. I have attached the ser.cfg. Please kindly advise have been a long problem already.Thank u!! <<ser.cfg>> Regards, Shirley > -----Original Message----- > From: Patrick Muldoon [SMTP:doon@inoc.net] > Sent: Saturday, March 06, 2004 11:42 AM > To: serusers(a)iptel.org > Subject: Re: [Serusers] No Audio > > On Friday 05 March 2004 10:24 pm, Shirley wrote: > > Hi , > > > > I am using UA1 to UA2. Looking at the Ethereal I have this Broadcast > > message and there is no audio transmitted. > > <"Protocol: ARP , who has 192.168.0.177? Tell 192.168.0.142 > Do anyone > > have this before? Please help? > > > > regards, > > shirley > > arp = Address Resolution Protocol. It is how hosts on the same layer 2 > network find each other. So basically 192.168.0.177 is looking for the > MAC > address of 192.168.0.142. This is normal. > > -:Patrick > > -- > Patrick Muldoon > Network/Software Engineer > INOC (http://www.inoc.net) > PGPKEY (http://www.inoc.net/~doon) > Key ID: 0x370D752C > > Beware of programmers who carry screwdrivers. - Leonard Brandwein > > _______________________________________________ > Serusers mailing list > Serusers(a)iptel.org > http://mail.iptel.org/mailman/listinfo/serusers