{"id":1441,"date":"2025-02-26T16:51:54","date_gmt":"2025-02-26T11:21:54","guid":{"rendered":"https:\/\/www.smsgatewaycenter.com\/blog\/?post_type=docs&#038;p=1441"},"modified":"2025-02-26T16:55:40","modified_gmt":"2025-02-26T11:25:40","password":"","slug":"how-do-i-troubleshoot-smpp-connectivity-with-telnet","status":"publish","type":"docs","link":"https:\/\/www.smsgatewaycenter.com\/blog\/kb\/how-do-i-troubleshoot-smpp-connectivity-with-telnet\/","title":{"rendered":"How do I troubleshoot SMPP connectivity with Telnet?"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">To troubleshoot SMPP with Telnet, open a command prompt and type: telnet smpp.smsgatewaycenter.com 2775 (replace with your port). If it connects (blank screen), the server is reachable. If it fails (&#8220;Connection refused&#8221; or timeout), check your firewall, IP whitelisting, or network. Ensure your IP is whitelisted with us\u2014details in our <a href=\"https:\/\/www.smsgatewaycenter.com\/smppConnectivity\/\" target=\"_blank\" rel=\"noreferrer noopener\">SMPP connection<\/a>. Contact support if issues persist; Telnet confirms basic access to our <strong>SMS gateway<\/strong>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>To troubleshoot SMPP with Telnet, open a command prompt and type: telnet smpp.smsgatewaycenter.com 2775 (replace with your port). If it connects (blank screen), the server is reachable. If it fails (&#8220;Connection refused&#8221; or timeout), check your firewall, IP whitelisting, or network. Ensure your IP is whitelisted with us\u2014details in our SMPP connection. Contact support if [&hellip;]<\/p>\n","protected":false},"author":118,"featured_media":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"doc_category":[1333],"doc_tag":[],"class_list":["post-1441","docs","type-docs","status-publish","hentry","doc_category-smpp"],"year_month":"2026-07","word_count":67,"total_views":0,"reactions":{"happy":0,"normal":0,"sad":0},"author_info":{"name":"admin","author_nicename":"admin","author_url":"https:\/\/www.smsgatewaycenter.com\/blog\/author\/admin\/"},"doc_category_info":[{"term_name":"SMPP","term_url":"https:\/\/www.smsgatewaycenter.com\/blog\/kb-cat\/smpp\/"}],"doc_tag_info":[],"_links":{"self":[{"href":"https:\/\/www.smsgatewaycenter.com\/blog\/wp-json\/wp\/v2\/docs\/1441","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.smsgatewaycenter.com\/blog\/wp-json\/wp\/v2\/docs"}],"about":[{"href":"https:\/\/www.smsgatewaycenter.com\/blog\/wp-json\/wp\/v2\/types\/docs"}],"author":[{"embeddable":true,"href":"https:\/\/www.smsgatewaycenter.com\/blog\/wp-json\/wp\/v2\/users\/118"}],"replies":[{"embeddable":true,"href":"https:\/\/www.smsgatewaycenter.com\/blog\/wp-json\/wp\/v2\/comments?post=1441"}],"version-history":[{"count":0,"href":"https:\/\/www.smsgatewaycenter.com\/blog\/wp-json\/wp\/v2\/docs\/1441\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.smsgatewaycenter.com\/blog\/wp-json\/wp\/v2\/media?parent=1441"}],"wp:term":[{"taxonomy":"doc_category","embeddable":true,"href":"https:\/\/www.smsgatewaycenter.com\/blog\/wp-json\/wp\/v2\/doc_category?post=1441"},{"taxonomy":"doc_tag","embeddable":true,"href":"https:\/\/www.smsgatewaycenter.com\/blog\/wp-json\/wp\/v2\/doc_tag?post=1441"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}