software is not commercially available. Therefore, TTY emulation on wireless smartphones is not recommended at this time as a solution for T9-1-1. Short Message Service (SMS) Solutions SMS technology is explained in section 6.2 above. General Description of SMS Solutions As pointed out earlier in this Report, SMS bears the most promising hopes in regards to providing T9-1-1 service in the current environment. Consequently, several solutions and approaches have been proposed and assessed for which recommendations are provided. Those solutions are as follows: Section 9.2.4 explores a solution via SMS short code. Section 9.2.5 explores a solution proposed by Positron Public Safety Systems. Section 9.2.6 explores a solution via a relay centre. Section 9.2.7 explores a solution using a wireless call. “silent” General Analysis of SMS Solutions The four SMS solutions described above has been assessed. The results highlight that all solutions will require architecture development and/or standards work. The analysis has demonstrated that one solution may be feasible. It is expected that this service would apply to Canadian wireless handsets registered in their home networks, or registered and roaming onto a Canadian WSP. As this service likely requires an activation process, it is expected that US and international roamers could not use this service. General Recommendation on SMS Solutions Based on the assessment of the three SMS solutions described hereinafter, the ESWG recommends that the solution using a silent wireless call to reach the PSAP be further assessed and that proof of concept trials be planned. There are three major areas of the solution that need further investigation: What will be the SMS T9-1-1 subscription process;
software is not commercially available. Therefore, TTY emulation on wireless smartphones is not recommended at this time as a solution for T9-1-1. Short Message Service (SMS) Solutions SMS technology is explained in section 6.2 above. General Description of SMS Solutions As pointed out earlier in this Report, SMS bears the most promising hopes in regards to providing T9-1-1 service in the current environment. Consequently, several solutions and approaches have been proposed and assessed for which recommendations are provided. Those solutions are as follows: Section 9.2.4 explores a solution via SMS short code. Section 9.2.5 explores a solution proposed by Positron Public Safety Systems. Section 9.2.6 explores a solution via a relay centre. Section 9.2.7 explores a solution using a “silent” wireless call. General Analysis of SMS Solutions The four SMS solutions described above has been assessed. The results highlight that all solutions will require architecture development and/or standards work. The analysis has demonstrated that one solution may be feasible. It is expected that this service would apply to Canadian wireless handsets registered in their home networks, or registered and roaming onto a Canadian WSP. As this service likely requires an activation process, it is expected that US and international roamers could not use this service. General Recommendation on SMS Solutions Based on the assessment of the three SMS solutions described hereinafter, the ESWG recommends that the solution using a silent wireless call to reach the PSAP be further assessed and that proof of concept trials be planned. There are three major areas of the solution that need further investigation: What will be the SMS T9-1-1 subscription process;