To set up a SIP Trunk using FreePBX or other SIP Trunking software, you'll need to enter these settings in your trunk to correctly configure it with Yay.com!

Outgoing (Outbound) settings

type=peer

host=talk.yay.com

username= your_SIP_username

secret= your_SIP_password

transport=udp

dtmfmode=rfc2833

disallow=all

allow=ulaw&alaw&gsm

Incoming (Inbound) settings

USER Context: from-trunk

User Details:

type=peer

host=talk.yay.com

insecure=port,invite

qualify=yes

nat=yes

disallow=all allow=ulaw&alaw&gsm

If registering via a Register string, you'll also need these details:

Register String: your_SIP_username:SIP_password@talk.yay.com/your_SIP_username