Hi, Service providers who host PSTN break-out/Break-in services i.e., service providers who accepts SIP traffic from another hosted/Private network and provide PSTN breakout functionality and visa versa, please contact me offline. Thanks Shashi The information contained in this electronic message and any attachments to this message are intended for the exclusive use of the addressee(s) and may contain proprietary, confidential or privileged information. If you are not the intended recipient, you should not disseminate, distribute or copy this e-mail. Please notify the sender immediately and destroy all copies of this message and any attachments. WARNING: Computer viruses can be transmitted via email. The recipient should check this email and any attachments for the presence of viruses. The company accepts no liability for any damage caused by any virus transmitted by this email. www.wipro.com