Forwarding session initiation messages

A network device, comprising:

• a memory;
• and
• at least one processor coupled to the memory, the memory including instructions executable by the at least one processor to cause the device to:
• receive, from a first device of an Internet protocol (IP) communication network, an invitation to create a session between the first device and a third device of the network, the invitation comprising a session description;
• determine whether to forward the invitation toward the third device based on a datastore comprising prior invitations received by the network device to create sessions between devices of the network and results of the prior invitations;
• and
• upon determining to forward the invitation, forward the invitation toward the third device.

A non-transitory computer-readable medium storing instructions thereon that, when executed by at least one computing device, causes the at least one computing device to perform operations comprising:

• receiving, from a first device of an Internet protocol (IP) communication network, an invitation to create a session between the first device and a third device of the network, the invitation comprising a session description;
• determining whether to forward the invitation toward the third device based on a datastore comprising prior invitations received by the at least one computing device to create sessions between devices of the network and results of the prior invitations;
• and
• upon determining to forward the invitation, forwarding the invitation.