Mobile device conference calls via private branch exchange

A system comprising:

• a facilitator coupled to an enterprise and
• at least one communication network;
• a telephone server in communication with the facilitator;
• wherein the server is configured to receive a dial request via a data channel coupled to a mobile device, wherein the request includes contact information for a plurality of intended call recipients;
• wherein the server is further configured to initiate in response to the dial request a first call leg with the mobile device over a first voice channel, the server initiating the first call leg by sending data representative of a transaction identifier and a telephone number for the mobile device, by the facilitator, to call to establish the first call leg;
• wherein the server is further configured to wait to receive the transaction identifier from the mobile device via the first call leg;
• the server configured to initiate a plurality of second call legs with a plurality of client devices associated with the intended call recipients over a plurality of second voice channels responsive to receiving the transaction identifier;
• and
• the server configured to form a voice conference call between the mobile device and the plurality of client devices by joining the first call leg and the plurality of second call legs.

A non-transitory computer readable media including executable instructions which, when executed in a processing system, provide conferencing by:

• receiving a dial request at a first server via a data channel coupled to a mobile device, the dial request including contact information for a plurality of intended call recipients;
• transmitting a call initiation instruction to a telephone server coupled to an enterprise in response to the dial request;
• sending, by the first server, data representative of a transaction identifier and a telephone number for the telephone server to the mobile device;
• waiting for a call from the mobile device via a first voice channel on the telephone number provided to the mobile device to establish a first call leg by the telephone server;
• waiting for the mobile device to send the transaction identifier over the first call leg;
• initiating in response to receiving the transaction identifier over the first voice channel, a plurality of second call legs over a plurality of second voice channels, the plurality of second call legs between the telephone server and a plurality of client devices associated with the contact information for the plurality of intended call recipients;
• and
• forming a voice conference call between the mobile device and the plurality of client devices by joining the first call leg and the plurality of second call legs.