<html><head><meta http-equiv="Content-Type" content="text/html charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">Hey guys,<div class=""><br class=""></div><div class="">I would like to know if there are a way to enable sip keep-alive on the SDK , i mean </div><div class=""><br class=""></div><div class=""><span style="color: rgb(51, 51, 51); font-family: Arial, sans-serif; font-size: 14px; line-height: 16px; widows: 1; background-color: rgb(255, 255, 255);" class="">1) OPTIONS (most common)</span><span style="color: rgb(51, 51, 51); font-family: Arial, sans-serif; font-size: 14px; line-height: 16px; widows: 1; background-color: rgb(255, 255, 255);" class=""> </span><br style="color: rgb(51, 51, 51); font-family: Arial, sans-serif; font-size: 14px; line-height: 16px; widows: 1; background-color: rgb(255, 255, 255);" class=""><span style="color: rgb(51, 51, 51); font-family: Arial, sans-serif; font-size: 14px; line-height: 16px; widows: 1; background-color: rgb(255, 255, 255);" class="">2) CRLF / Carriage Return Line Feed </span></div><div class=""><br class=""></div><div class="">This sip methods allow us to maintain session alive on server site.</div><div class=""><br class=""></div><div class="">Thanks</div><div class=""><br class=""></div><div class="">-Javier</div><div class=""><br class=""></div><div class=""><br class=""></div></body></html>