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It\u2019s ironic that, to a point, the smaller the business the greater the productivity benefit of computer-based fax servers, yet the enterprise fax-server industry, for the most part, has been unable to develop a business model that addresses the needs and budget of the small business.<\/p>\n
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Until recently, the price of the enterprise-fax OEM\u2019s product, at $4,000-plus, was quite simply out of the reach of a small business. Several factors are contributing to this valuable product finally finding the SME. Recent technical innovations have eliminated some of them, software-only pricing has taken care of others, and the VoIP service providers are finally doing their part. And the remaining ones vanish with a little marketing innovation.[\/vc_column_text][\/vc_column][\/vc_row][vc_row css_animation=”” row_type=”row” use_row_as_full_screen_section=”no” type=”grid” angled_section=”no” text_align=”left” background_image_as_pattern=”without_pattern” el_class=”newsletter_inner_page” css=”.vc_custom_1578991890670{padding-top: 70px !important;padding-bottom: 70px !important;}” z_index=””][vc_column el_class=”newsletter_inner_page_bg”][vc_column_text]<\/p>\n
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The\u00a0SIP Forum<\/a>\u00a0is responsible for good works such as the SIPit interop events, the SIPconnect SIP-trunking recommendation, and now T.38 interoperability. The first SIP Forum \u201cT.38 Interoperability Workshop\u201d was held on November 10 at the San Francisco W Hotel, which is across the street from the Moscone Center, site of the recent VoiceCon event. The four-and-one-half-hour meeting was attended by technical representatives of vendors serving the carrier and enterprise, as well as a smattering of service providers. Position papers were presented by AEMcom srl, Omnitor AB, and Commetrex. If you\u2019re interested, the papers are posted at SIP Forum<\/p>\n <\/p>\n A consensus quickly emerged that there were no significant T.38-interoperability problems. The problems seemed to be centered on the performance of some T.38 implementations, T.38 carrier uptake, and SIP-trunking accessibility. Between 2002 and 2004, Commetrex\u2019 T.38 Interoperability Test Lab did a lot to advance interoperability. But that\u2019s not the same as performance, which is an implementation\u2019s ability to withstand the vagaries of the open Internet. Among the vendors, there seemed to be a division between those that were successful over the Internet and those that weren\u2019t. Among the latter, there was even a question about T.38 itself, and whether it could achieve its aim of sending error-free faxes over the Internet. It was noted that the backbone IP carriers are finally building T.38 into their infrastructure, mainly by deploying Sonus GSX gateways, but many of the access providers\u2014the legions of VoIP service providers\u2014have yet to adjust by offering SIP trunking and handing off to T.38-only partners. Interested? Email\u00a0Mike Coffee<\/a>\u00a0at or call him at 770-407-6021.[\/vc_column_text][\/vc_column][\/vc_row][vc_row css_animation=”” row_type=”row” use_row_as_full_screen_section=”no” type=”grid” angled_section=”no” text_align=”left” background_image_as_pattern=”without_pattern” el_class=”newsletter_inner_page” css=”.vc_custom_1578991890670{padding-top: 70px !important;padding-bottom: 70px !important;}” z_index=””][vc_column el_class=”newsletter_inner_page_bg”][vc_column_text]<\/p>\n <\/p>\n Commetrex\u2019 BladeWare media server and Multi-Modal Terminating Fax (MMTF) licensed media technology allow the user to send and receive both T.38 and G.711 pass-through faxes in media servers. Because we can terminate both forms of IP-fax transport, we get plenty of questions, such as, \u201cDoes BladeWare handle T.38 and T.30 IP faxes?\u201d Of course, what they mean is G.711 pass-through, not T.30, because T.30 is the protocol that any fax terminal uses to send or receive a fax, regardless of how the fax is transported: PCM over TDM, T.38, or G.711 pass through. If your fax server is connected to an IP network you might have to be able to handle both T.38 and G.711 pass-through faxes. But regardless, T.30 is used in both cases as the terminating-fax protocol.<\/p>\n <\/p>\n Want to learn more? Contact us at\u00a0sales@commetrex.com<\/a>\u00a0or 770-449-7775.[\/vc_column_text][\/vc_column][\/vc_row][vc_row css_animation=”” row_type=”row” use_row_as_full_screen_section=”no” type=”grid” angled_section=”no” text_align=”left” background_image_as_pattern=”without_pattern” el_class=”newsletter_inner_page” css=”.vc_custom_1578991890670{padding-top: 70px !important;padding-bottom: 70px !important;}” z_index=””][vc_column el_class=”newsletter_inner_page_bg”][vc_column_text]<\/p>\n <\/p>\n There\u2019s a lot of misinformation being put out by vendors that don\u2019t support G.711 pass through on their media servers, so we thought we\u2019d stop for a moment and set the record straight. The real answer to the G.711-pass-through question is \u201cit depends\u201d. You should only use T.38 to transport faxes over the \u201copen Internet\u201d; the modems that process the signal can\u2019t overcome the missing packets. But there are many applications where the fax is transported via IP, but not over the open Internet. Commetrex\u2019 VoIP access service provider, Cbeyond Communications, does not support T.38, but their private high- performance metro network delivers error-free G.711 faxes. Recently, a major telecom OEM customer of ours upgraded its TerminatingT38 software license to MMTF because they found that many of their enterprise customers wanted to use their PBX, which didn\u2019t support T.38, as a gateway, avoiding the purchase of an additional network element\u2026no open Internet, just the corporate LAN. Another example: you may want to use ATAs without T.38 support to connect in-house fax terminals to your corporate fax server. Not a problem if that fax server is based on BladeWare.<\/p>\n <\/p>\nWhat Is T.30 Anyway?<\/h3>\n
Does G.711 Pass Through Work?<\/h3>\n